tweaks

code/game/machinery/Sleeper.dm

@@ -1,3 +1,5 @@
+#define ADDICTION_SPEEDUP_TIME 1500 // 2.5 minutes
+
 /////////////////////////////////////////
 // SLEEPER CONSOLE
 /////////////////////////////////////////
@@ -340,7 +342,19 @@
 				for(var/datum/reagent/x in src.occupant.reagents.reagent_list)
 					src.occupant.reagents.trans_to(beaker, 3)
 					src.occupant.vessel.trans_to(beaker, 1)
-	src.updateDialog()
+
+	if(occupant)
+		for(var/A in occupant.reagents.addiction_list)
+			var/datum/reagent/R = A
+
+			var/addiction_removal_chance = 5
+			if(world.timeofday > (R.last_addiction_dose + ADDICTION_SPEEDUP_TIME)) // 2.5 minutes
+				addiction_removal_chance = 10
+			if(prob(addiction_removal_chance))
+				occupant << "<span class='notice'>You no longer feel reliant on [R.name]!</span>"
+				occupant.reagents.addiction_list.Remove(R)
+
+	updateDialog()
 	return
 
 
@@ -642,4 +656,6 @@
 			qdel(O)
 		src.add_fingerprint(usr)
 		return
-	return
+	return
+
+#undef ADDICTION_SPEEDUP_TIME

code/modules/reagents/oldchem/reagents/_reagent_base.dm

@@ -35,18 +35,21 @@
 
 
 		if(method == INGEST) //Yes, even Xenos can get addicted to drugs.
-			if(prob(self.addiction_chance) && !is_type_in_list(self, M.reagents.addiction_list))
-				M << "<span class='danger'>You suddenly feel invigorated and guilty...</span>"
-				var/datum/reagent/new_reagent = new self.type()
-				new_reagent.last_addiction_dose = world.timeofday
-				M.reagents.addiction_list.Add(new_reagent)
-			else if(is_type_in_list(self, M.reagents.addiction_list))
-				M << "<span class='notice'>You feel slightly better, but for how long?</span>"
-				for(var/A in M.reagents.addiction_list)
-					var/datum/reagent/AD = A
-					if(AD && istype(AD, self))
-						AD.last_addiction_dose = world.timeofday
-						AD.addiction_stage = 1
+			var/can_become_addicted = M.reagents.reaction_check(M, self)
+
+			if(can_become_addicted)
+				if(prob(self.addiction_chance) && !is_type_in_list(self, M.reagents.addiction_list))
+					M << "<span class='danger'>You suddenly feel invigorated and guilty...</span>"
+					var/datum/reagent/new_reagent = new self.type()
+					new_reagent.last_addiction_dose = world.timeofday
+					M.reagents.addiction_list.Add(new_reagent)
+				else if(is_type_in_list(self, M.reagents.addiction_list))
+					M << "<span class='notice'>You feel slightly better, but for how long?</span>"
+					for(var/A in M.reagents.addiction_list)
+						var/datum/reagent/AD = A
+						if(AD && istype(AD, self))
+							AD.last_addiction_dose = world.timeofday
+							AD.addiction_stage = 1
 		return 1
 
 /datum/reagent/proc/reaction_obj(var/obj/O, var/volume) //By default we transfer a small part of the reagent to the object

code/modules/reagents/oldchem/reagents/drink/reagents_alcohol.dm

@@ -17,7 +17,6 @@
 	var/vomit_start = 180	//amount absorbed after which mob starts vomitting
 	var/blur_start = 260	//amount absorbed after which mob starts getting blurred vision
 	var/pass_out = 325	//amount absorbed after which mob starts passing out
-	addiction_chance = 4 //chance to become alcoholic
 
 /datum/reagent/ethanol/on_mob_life(var/mob/living/M as mob, var/alien)
 	// Sobering multiplier.