diff --git a/code/datums/brain_damage/special.dm b/code/datums/brain_damage/special.dm
index 7d3c5f6d2fb1..0bbbf8de08fc 100644
--- a/code/datums/brain_damage/special.dm
+++ b/code/datums/brain_damage/special.dm
@@ -15,7 +15,7 @@
 	if(prob(4))
 		if(prob(33) && (owner.IsStun() || owner.IsKnockdown() || owner.IsUnconscious()))
 			speak("unstun", TRUE)
-		else if(prob(60) && owner.health <= owner.crit_modifier())
+		else if(prob(60) && owner.health <= owner.crit_threshold)
 			speak("heal", TRUE)
 		else if(prob(30) && owner.a_intent == INTENT_HARM)
 			speak("aggressive")
diff --git a/code/datums/components/mood.dm b/code/datums/components/mood.dm
index 9efc7d8958f7..d36f7965730f 100644
--- a/code/datums/components/mood.dm
+++ b/code/datums/components/mood.dm
@@ -1,3 +1,6 @@
+#define MINOR_INSANITY_PEN 5
+#define MAJOR_INSANITY_PEN 10
+
 /datum/component/mood
 	var/mood //Real happiness
 	var/sanity = 100 //Current sanity
@@ -6,6 +9,8 @@
 	var/mood_modifier = 1 //Modifier to allow certain mobs to be less affected by moodlets
 	var/datum/mood_event/list/mood_events = list()
 	var/mob/living/owner
+	var/insanity_effect = 0 //is the owner being punished for low mood? If so, how much?
+	var/holdmyinsanityeffect = 0 //before we edit our sanity lets take a look
 
 /datum/component/mood/Initialize()
 	if(!isliving(parent))
@@ -120,13 +125,13 @@
 
 	switch(mood_level)
 		if(1)
-			DecreaseSanity(0.2, 0)
+			DecreaseSanity(0.2)
 		if(2)
-			DecreaseSanity(0.125, 25)
+			DecreaseSanity(0.125, SANITY_CRAZY)
 		if(3)
-			DecreaseSanity(0.075, 50)
+			DecreaseSanity(0.075, SANITY_UNSTABLE)
 		if(4)
-			DecreaseSanity(0.025, 75)
+			DecreaseSanity(0.025, SANITY_DISTURBED)
 		if(5)
 			IncreaseSanity(0.1)
 		if(6)
@@ -134,9 +139,15 @@
 		if(7)
 			IncreaseSanity(0.20)
 		if(8)
-			IncreaseSanity(0.25, 125)
+			IncreaseSanity(0.25, SANITY_GREAT)
 		if(9)
-			IncreaseSanity(0.4, 125)
+			IncreaseSanity(0.4, SANITY_GREAT)
+
+	if(insanity_effect != holdmyinsanityeffect)
+		if(insanity_effect > holdmyinsanityeffect)
+			owner.crit_threshold += (insanity_effect - holdmyinsanityeffect)
+		else
+			owner.crit_threshold -= (holdmyinsanityeffect - insanity_effect)
 
 	if(owner.has_trait(TRAIT_DEPRESSION))
 		if(prob(0.05))
@@ -147,17 +158,29 @@
 			add_event("jolly", /datum/mood_event/jolly)
 			clear_event("depression")
 
-/datum/component/mood/proc/DecreaseSanity(amount, limit = 0)
-	if(sanity < limit) //This might make KevinZ stop fucking pinging me.
+	holdmyinsanityeffect = insanity_effect
+
+/datum/component/mood/proc/DecreaseSanity(amount, minimum = SANITY_INSANE)
+	if(sanity < minimum) //This might make KevinZ stop fucking pinging me.
 		IncreaseSanity(0.5)
 	else
-		sanity = max(0, sanity - amount)
+		sanity = max(minimum, sanity - amount)
+		if(sanity < SANITY_UNSTABLE)
+			if(sanity < SANITY_CRAZY)
+				insanity_effect = (MAJOR_INSANITY_PEN)
+			else
+				insanity_effect = (MINOR_INSANITY_PEN)
 
-/datum/component/mood/proc/IncreaseSanity(amount, limit = 99)
-	if(sanity > limit)
+/datum/component/mood/proc/IncreaseSanity(amount, maximum = SANITY_NEUTRAL)
+	if(sanity > maximum)
 		DecreaseSanity(0.5) //Removes some sanity to go back to our current limit.
 	else
-		sanity = min(limit, sanity + amount)
+		sanity = min(maximum, sanity + amount)
+		if(sanity > SANITY_CRAZY)
+			if(sanity > SANITY_UNSTABLE)
+				insanity_effect = 0
+			else
+				insanity_effect = MINOR_INSANITY_PEN
 
 /datum/component/mood/proc/add_event(category, type, param) //Category will override any events in the same category, should be unique unless the event is based on the same thing like hunger.
 	var/datum/mood_event/the_event
@@ -183,3 +206,6 @@
 	mood_events -= category
 	qdel(event)
 	update_mood()
+
+#undef MINOR_INSANITY_PEN
+#undef MAJOR_INSANITY_PEN
diff --git a/code/datums/status_effects/debuffs.dm b/code/datums/status_effects/debuffs.dm
index e2398649744b..c48430d2b6b9 100644
--- a/code/datums/status_effects/debuffs.dm
+++ b/code/datums/status_effects/debuffs.dm
@@ -72,7 +72,7 @@
 	if(prob(20))
 		if(carbon_owner)
 			carbon_owner.handle_dreams()
-		if(prob(10) && owner.health > owner.crit_modifier())
+		if(prob(10) && owner.health > owner.crit_threshold)
 			owner.emote("snore")
 
 /obj/screen/alert/status_effect/asleep
diff --git a/code/modules/mining/equipment/regenerative_core.dm b/code/modules/mining/equipment/regenerative_core.dm
index e50370ff448a..d6e99f7361c9 100644
--- a/code/modules/mining/equipment/regenerative_core.dm
+++ b/code/modules/mining/equipment/regenerative_core.dm
@@ -63,7 +63,7 @@
 
 /obj/item/organ/regenerative_core/on_life()
 	..()
-	if(owner.health < owner.crit_modifier())
+	if(owner.health < owner.crit_threshold)
 		ui_action_click()
 
 /obj/item/organ/regenerative_core/afterattack(atom/target, mob/user, proximity_flag)
diff --git a/code/modules/mob/living/carbon/alien/larva/life.dm b/code/modules/mob/living/carbon/alien/larva/life.dm
index 9632fbc5e32a..8474ad05da31 100644
--- a/code/modules/mob/living/carbon/alien/larva/life.dm
+++ b/code/modules/mob/living/carbon/alien/larva/life.dm
@@ -18,7 +18,7 @@
 		if(health<= -maxHealth || !getorgan(/obj/item/organ/brain))
 			death()
 			return
-		if(IsUnconscious() || IsSleeping() || getOxyLoss() > 50 || (has_trait(TRAIT_FAKEDEATH)) || health <= crit_modifier())
+		if(IsUnconscious() || IsSleeping() || getOxyLoss() > 50 || (has_trait(TRAIT_FAKEDEATH)) || health <= crit_threshold)
 			if(stat == CONSCIOUS)
 				stat = UNCONSCIOUS
 				blind_eyes(1)
diff --git a/code/modules/mob/living/carbon/carbon.dm b/code/modules/mob/living/carbon/carbon.dm
index c7d987fd36e3..ffad7bb78c3a 100644
--- a/code/modules/mob/living/carbon/carbon.dm
+++ b/code/modules/mob/living/carbon/carbon.dm
@@ -599,7 +599,7 @@
 	if(!client)
 		return
 
-	if(health <= crit_modifier())
+	if(health <= crit_threshold)
 		var/severity = 0
 		switch(health)
 			if(-20 to -10)
@@ -728,7 +728,7 @@
 			stat = UNCONSCIOUS
 			blind_eyes(1)
 		else
-			if(health <= crit_modifier() && !has_trait(TRAIT_NOSOFTCRIT))
+			if(health <= crit_threshold && !has_trait(TRAIT_NOSOFTCRIT))
 				stat = SOFT_CRIT
 			else
 				stat = CONSCIOUS
diff --git a/code/modules/mob/living/carbon/carbon_defense.dm b/code/modules/mob/living/carbon/carbon_defense.dm
index c9ac8655f90b..f18d6d363df0 100644
--- a/code/modules/mob/living/carbon/carbon_defense.dm
+++ b/code/modules/mob/living/carbon/carbon_defense.dm
@@ -372,12 +372,3 @@
 	var/obj/item/organ/ears/ears = getorganslot(ORGAN_SLOT_EARS)
 	if(istype(ears) && !ears.deaf)
 		. = TRUE
-
-/mob/living/carbon/crit_modifier()
-	. = ..()
-	GET_COMPONENT(mood, /datum/component/mood)
-	if(mood)
-		if(mood.sanity >= SANITY_UNSTABLE)
-			. += 5
-		else if(mood.sanity >= SANITY_CRAZY)
-			. += 10
diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index 3f65c0c5268c..1a9469b4869b 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -656,7 +656,7 @@
 		var/they_breathe = !C.has_trait(TRAIT_NOBREATH)
 		var/they_lung = C.getorganslot(ORGAN_SLOT_LUNGS)
 
-		if(C.health > C.crit_modifier())
+		if(C.health > C.crit_threshold)
 			return
 
 		src.visible_message("[src] performs CPR on [C.name]!", "<span class='notice'>You perform CPR on [C.name].</span>")
diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index c840315a6139..390dd75a6c6d 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -84,7 +84,7 @@
 	var/L = getorganslot(ORGAN_SLOT_LUNGS)
 
 	if(!L)
-		if(health >= crit_modifier())
+		if(health >= crit_threshold)
 			adjustOxyLoss(HUMAN_MAX_OXYLOSS + 1)
 		else if(!has_trait(TRAIT_NOCRITDAMAGE))
 			adjustOxyLoss(HUMAN_CRIT_MAX_OXYLOSS)
diff --git a/code/modules/mob/living/carbon/human/species.dm b/code/modules/mob/living/carbon/human/species.dm
index 7d7407f5859c..5d506427c88a 100644
--- a/code/modules/mob/living/carbon/human/species.dm
+++ b/code/modules/mob/living/carbon/human/species.dm
@@ -709,7 +709,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 		H.losebreath = 0
 
 		var/takes_crit_damage = (!H.has_trait(TRAIT_NOCRITDAMAGE))
-		if((H.health < H.crit_modifier()) && takes_crit_damage)
+		if((H.health < H.crit_threshold) && takes_crit_damage)
 			H.adjustBruteLoss(1)
 
 /datum/species/proc/spec_death(gibbed, mob/living/carbon/human/H)
diff --git a/code/modules/mob/living/carbon/life.dm b/code/modules/mob/living/carbon/life.dm
index b2b470bca505..00b895a601d4 100644
--- a/code/modules/mob/living/carbon/life.dm
+++ b/code/modules/mob/living/carbon/life.dm
@@ -59,7 +59,7 @@
 		if(health <= HEALTH_THRESHOLD_FULLCRIT || (pulledby && pulledby.grab_state >= GRAB_KILL))
 			losebreath++  //You can't breath at all when in critical or when being choked, so you're going to miss a breath
 
-		else if(health <= crit_modifier())
+		else if(health <= crit_threshold)
 			losebreath += 0.25 //You're having trouble breathing in soft crit, so you'll miss a breath one in four times
 
 	//Suffocate
@@ -154,7 +154,7 @@
 
 	else //Enough oxygen
 		failed_last_breath = 0
-		if(health >= crit_modifier())
+		if(health >= crit_threshold)
 			adjustOxyLoss(-5)
 		oxygen_used = breath_gases[/datum/gas/oxygen][MOLES]
 		clear_alert("not_enough_oxy")
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 3cd776c3da37..e1f321f0fa93 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -281,7 +281,7 @@
 		return TRUE
 
 /mob/living/proc/InCritical()
-	return (health <= crit_modifier() && (stat == SOFT_CRIT || stat == UNCONSCIOUS))
+	return (health <= crit_threshold && (stat == SOFT_CRIT || stat == UNCONSCIOUS))
 
 /mob/living/proc/InFullCritical()
 	return (health <= HEALTH_THRESHOLD_FULLCRIT && stat == UNCONSCIOUS)
@@ -807,7 +807,7 @@
 	var/stam = getStaminaLoss()
 	if(stam)
 		var/total_health = (health - stam)
-		if(total_health <= crit_modifier() && !stat && !IsKnockdown())
+		if(total_health <= crit_threshold && !stat && !IsKnockdown())
 			to_chat(src, "<span class='notice'>You're too exhausted to keep going...</span>")
 			Knockdown(100)
 			update_health_hud()
diff --git a/code/modules/mob/living/living_defense.dm b/code/modules/mob/living/living_defense.dm
index 2823d6041762..0ce42af01b1c 100644
--- a/code/modules/mob/living/living_defense.dm
+++ b/code/modules/mob/living/living_defense.dm
@@ -61,9 +61,6 @@
 		else
 				return 0
 
-/mob/living/proc/crit_modifier()
-	return HEALTH_THRESHOLD_CRIT
-
 /mob/living/hitby(atom/movable/AM, skipcatch, hitpush = TRUE, blocked = FALSE)
 	if(istype(AM, /obj/item))
 		var/obj/item/I = AM
diff --git a/code/modules/mob/living/living_defines.dm b/code/modules/mob/living/living_defines.dm
index d0ae17515195..fa38f831f04a 100644
--- a/code/modules/mob/living/living_defines.dm
+++ b/code/modules/mob/living/living_defines.dm
@@ -20,6 +20,7 @@
 	var/fireloss = 0	//Burn damage caused by being way too hot, too cold or burnt.
 	var/cloneloss = 0	//Damage caused by being cloned or ejected from the cloner early. slimes also deal cloneloss damage to victims
 	var/staminaloss = 0		//Stamina damage, or exhaustion. You recover it slowly naturally, and are knocked down if it gets too high. Holodeck and hallucinations deal this.
+	var/crit_threshold = HEALTH_THRESHOLD_CRIT // when the mob goes from "normal" to crit
 
 	var/confused = 0	//Makes the mob move in random directions.
 
diff --git a/code/modules/surgery/organs/heart.dm b/code/modules/surgery/organs/heart.dm
index 9eeb667e2fc0..52904b8af120 100644
--- a/code/modules/surgery/organs/heart.dm
+++ b/code/modules/surgery/organs/heart.dm
@@ -54,11 +54,11 @@
 		var/sound/fastbeat = sound('sound/health/fastbeat.ogg', repeat = TRUE)
 		var/mob/living/carbon/H = owner
 
-		if(H.health <= H.crit_modifier() && beat != BEAT_SLOW)
+		if(H.health <= H.crit_threshold && beat != BEAT_SLOW)
 			beat = BEAT_SLOW
 			H.playsound_local(get_turf(H), slowbeat,40,0, channel = CHANNEL_HEARTBEAT)
 			to_chat(owner, "<span class = 'notice'>You feel your heart slow down...</span>")
-		if(beat == BEAT_SLOW && H.health > H.crit_modifier())
+		if(beat == BEAT_SLOW && H.health > H.crit_threshold)
 			H.stop_sound_channel(CHANNEL_HEARTBEAT)
 			beat = BEAT_NONE
 
diff --git a/code/modules/surgery/organs/lungs.dm b/code/modules/surgery/organs/lungs.dm
index e338c4aa0ca2..114fe8bf9d57 100644
--- a/code/modules/surgery/organs/lungs.dm
+++ b/code/modules/surgery/organs/lungs.dm
@@ -64,7 +64,7 @@
 	if(!breath || (breath.total_moles() == 0))
 		if(H.reagents.has_reagent(crit_stabilizing_reagent))
 			return
-		if(H.health >= H.crit_modifier())
+		if(H.health >= H.crit_threshold)
 			H.adjustOxyLoss(HUMAN_MAX_OXYLOSS)
 		else if(!H.has_trait(TRAIT_NOCRITDAMAGE))
 			H.adjustOxyLoss(HUMAN_CRIT_MAX_OXYLOSS)
@@ -111,7 +111,7 @@
 			H.throw_alert("not_enough_oxy", /obj/screen/alert/not_enough_oxy)
 		else
 			H.failed_last_breath = FALSE
-			if(H.health >= H.crit_modifier())
+			if(H.health >= H.crit_threshold)
 				H.adjustOxyLoss(-5)
 			gas_breathed = breath_gases[/datum/gas/oxygen][MOLES]
 			H.clear_alert("not_enough_oxy")
@@ -139,7 +139,7 @@
 			H.throw_alert("nitro", /obj/screen/alert/not_enough_nitro)
 		else
 			H.failed_last_breath = FALSE
-			if(H.health >= H.crit_modifier())
+			if(H.health >= H.crit_threshold)
 				H.adjustOxyLoss(-5)
 			gas_breathed = breath_gases[/datum/gas/nitrogen][MOLES]
 			H.clear_alert("nitro")
@@ -176,7 +176,7 @@
 			H.throw_alert("not_enough_co2", /obj/screen/alert/not_enough_co2)
 		else
 			H.failed_last_breath = FALSE
-			if(H.health >= H.crit_modifier())
+			if(H.health >= H.crit_threshold)
 				H.adjustOxyLoss(-5)
 			gas_breathed = breath_gases[/datum/gas/carbon_dioxide][MOLES]
 			H.clear_alert("not_enough_co2")
@@ -206,7 +206,7 @@
 			H.throw_alert("not_enough_tox", /obj/screen/alert/not_enough_tox)
 		else
 			H.failed_last_breath = FALSE
-			if(H.health >= H.crit_modifier())
+			if(H.health >= H.crit_threshold)
 				H.adjustOxyLoss(-5)
 			gas_breathed = breath_gases[/datum/gas/plasma][MOLES]
 			H.clear_alert("not_enough_tox")