stop this nonsense

code/game/objects/structures/crates_lockers/closets.dm

@@ -269,7 +269,7 @@
 	if(user in src)
 		return
 	if(src.tool_interact(W,user))
-		return 1 // No afterattack
+		return TRUE // No afterattack
 	else
 		return ..()
 
@@ -396,7 +396,7 @@
 				close()
 	else
 		O.forceMove(T)
-	return 1
+	return TRUE
 
 /obj/structure/closet/relaymove(mob/living/user, direction)
 	if(user.stat || !isturf(loc))

code/game/objects/structures/crates_lockers/closets/bodybag.dm

@@ -46,8 +46,8 @@
 /obj/structure/closet/body_bag/close()
 	if(..())
 		density = FALSE
-		return 1
-	return 0
+		return TRUE
+	return FALSE
 
 /obj/structure/closet/body_bag/handle_lock_addition()
 	return
@@ -59,11 +59,11 @@
 	. = ..()
 	if(over_object == usr && Adjacent(usr) && (in_range(src, usr) || usr.contents.Find(src)))
 		if(!ishuman(usr))
-			return 0
+			return FALSE
 		if(opened)
-			return 0
+			return FALSE
 		if(contents.len)
-			return 0
+			return FALSE
 		visible_message("<span class='notice'>[usr] folds up [src].</span>")
 		var/obj/item/bodybag/B = new foldedbag_path(get_turf(src))
 		usr.put_in_hands(B)
@@ -83,15 +83,15 @@
 	. = ..()
 	if(over_object == usr && Adjacent(usr) && (in_range(src, usr) || usr.contents.Find(src)))
 		if(!ishuman(usr))
-			return 0
+			return FALSE
 		if(opened)
-			return 0
+			return FALSE
 		if(contents.len >= mob_storage_capacity / 2)
 			to_chat(usr, "<span class='warning'>There are too many things inside of [src] to fold it up!</span>")
-			return 0
+			return FALSE
 		for(var/obj/item/bodybag/bluespace/B in src)
 			to_chat(usr, "<span class='warning'>You can't recursively fold bluespace body bags!</span>" )
-			return 0
+			return FALSE
 		visible_message("<span class='notice'>[usr] folds up [src].</span>")
 		var/obj/item/bodybag/B = new foldedbag_path(get_turf(src))
 		usr.put_in_hands(B)

code/game/objects/structures/crates_lockers/closets/cardboardbox.dm

@@ -35,7 +35,7 @@
 
 /obj/structure/closet/cardboard/open()
 	if(opened || !can_open())
-		return 0
+		return FALSE
 	var/list/alerted = null
 	if(egged < world.time)
 		var/mob/living/Snake = null

code/game/objects/structures/crates_lockers/closets/secure/secure_closets.dm

@@ -10,7 +10,7 @@
 
 /obj/structure/closet/secure_closet/run_obj_armor(damage_amount, damage_type, damage_flag = 0, attack_dir)
 	if(damage_flag == MELEE && damage_amount < melee_min_damage)
-		return 0
+		return FALSE
 	. = ..()
 
 // Exists to work around the minimum 700 cr price for goodies / small items / materials

code/game/objects/structures/crates_lockers/crates/large.dm

@@ -34,7 +34,7 @@
 		qdel(src)
 
 	else
-		if(user.a_intent == INTENT_HARM)	//Only return  ..() if intent is harm, otherwise return 0 or just end it.
+		if(user.a_intent == INTENT_HARM)	//Only return  ..() if intent is harm, otherwise return FALSE or just end it.
 			return ..()						//Stops it from opening and turning invisible when items are used on it.
 
 		else

code/game/objects/structures/crates_lockers/crates/secure.dm

@@ -10,7 +10,7 @@
 
 /obj/structure/closet/crate/secure/run_obj_armor(damage_amount, damage_type, damage_flag = 0, attack_dir)
 	if(damage_flag == MELEE && damage_amount < 25)
-		return 0
+		return FALSE
 	. = ..()
 
 /obj/structure/closet/crate/secure/update_overlays()