diff --git a/code/modules/mob/living/carbon/brain/brain_item.dm b/code/modules/mob/living/carbon/brain/brain_item.dm
index 10b8d580447..e06d9d3788e 100644
--- a/code/modules/mob/living/carbon/brain/brain_item.dm
+++ b/code/modules/mob/living/carbon/brain/brain_item.dm
@@ -69,23 +69,35 @@
 	owner.brain_op_stage = 4.0
 
 	var/obj/item/organ/brain/B = src
-	if(istype(B) && istype(owner))
+	if(istype(B) && istype(owner) && owner.internal_organs_by_name[organ_tag] == src)
 		B.transfer_identity(owner)
 
 	..()
 
 /obj/item/organ/brain/replaced(var/mob/living/target)
 
-	if(target.key)
-		target.ghostize()
-	var/mob/living/carbon/C = target
-	if(istype(C))
-		C.brain_op_stage = 1.0
+	var/brain_already_exists = 0
+	if(istype(target,/mob/living/carbon/human)) // No more IPC multibrain shenanigans
+		var/mob/living/carbon/human/H = target
+		if(organ_tag in H.internal_organs_by_name)
+			brain_already_exists = 1
+
+	if(!brain_already_exists)
+		if(target.key)
+			target.ghostize()
+		var/mob/living/carbon/C = target
+		if(istype(C))
+			C.brain_op_stage = 1.0
+		if(brainmob)
+			if(brainmob.mind)
+				brainmob.mind.transfer_to(target)
+			else
+				target.key = brainmob.key
+	..()
+
+/obj/item/organ/brain/die()
 	if(brainmob)
-		if(brainmob.mind)
-			brainmob.mind.transfer_to(target)
-		else
-			target.key = brainmob.key
+		brainmob.death(0)
 	..()
 
 /obj/item/organ/brain/slime
diff --git a/code/modules/mob/living/carbon/brain/life.dm b/code/modules/mob/living/carbon/brain/life.dm
index 2a191c46217..1a3ccdf0ca6 100644
--- a/code/modules/mob/living/carbon/brain/life.dm
+++ b/code/modules/mob/living/carbon/brain/life.dm
@@ -4,7 +4,7 @@
 			radiation -= 3
 			adjustToxLoss(3)
 			updatehealth()
-			if(!container)
+			if(!container) // The brains are containers - Theory: Everyone on the station is secretly a highly-advanced cyborg, wearing meat shells
 				src << "<span class='danger'>You feel weak.</span>"
 			else
 				src << "<span class='danger'>STATUS: CRITICAL AMOUNTS OF RADIATION DETECTED.</span>"
diff --git a/code/modules/organs/organ.dm b/code/modules/organs/organ.dm
index e7d4fd89eba..5176f1a02d8 100644
--- a/code/modules/organs/organ.dm
+++ b/code/modules/organs/organ.dm
@@ -257,12 +257,17 @@ var/list/organ_cache = list()
 
 /obj/item/organ/proc/removed(var/mob/living/user)
 
+	var/primary_organ = 1
 	if(!istype(owner))
 		return
 
-	owner.internal_organs_by_name[organ_tag] = null
-	owner.internal_organs_by_name -= organ_tag
-	owner.internal_organs_by_name -= null
+	if(owner.internal_organs_by_name[organ_tag] == src)
+		owner.internal_organs_by_name[organ_tag] = null
+		owner.internal_organs_by_name -= organ_tag
+		owner.internal_organs_by_name -= null
+	else
+		primary_organ = 0
+
 	owner.internal_organs -= src
 
 	var/obj/item/organ/external/affected = owner.get_organ(parent_organ)
@@ -275,7 +280,7 @@ var/list/organ_cache = list()
 	if(!organ_blood || !organ_blood.data["blood_DNA"])
 		owner.vessel.trans_to(src, 5, 1, 1)
 
-	if(owner && vital)
+	if(owner && vital && primary_organ) // I'd do another check for species or whatever so that you couldn't "kill" an IPC by removing a human head from them, but it doesn't matter since they'll come right back from the dead
 		if(user)
 			user.attack_log += "\[[time_stamp()]\]<font color='red'> removed a vital organ ([src]) from [key_name(owner)] (INTENT: [uppertext(user.a_intent)])</font>"
 			owner.attack_log += "\[[time_stamp()]\]<font color='orange'> had a vital organ ([src]) removed by [key_name(user)] (INTENT: [uppertext(user.a_intent)])</font>"
@@ -291,7 +296,8 @@ var/list/organ_cache = list()
 	processing_objects -= src
 	target.internal_organs |= src
 	affected.internal_organs |= src
-	target.internal_organs_by_name[organ_tag] = src
+	if (!(organ_tag in target.internal_organs_by_name))
+		target.internal_organs_by_name[organ_tag] = src // In case multiple of the same type are inserted, only the first one is the primary organ
 	src.loc = target
 	if(robotic)
 		status |= ORGAN_ROBOT