stop this nonsense

code/modules/reagents/reagent_containers.dm

@@ -75,7 +75,7 @@
 
 /obj/item/reagent_containers/proc/canconsume(mob/eater, mob/user)
 	if(!iscarbon(eater))
-		return 0
+		return FALSE
 	var/mob/living/carbon/C = eater
 	var/covered = ""
 	if(C.is_mouth_covered(head_only = 1))
@@ -85,8 +85,8 @@
 	if(covered)
 		var/who = (isnull(user) || eater == user) ? "your" : "[eater.p_their()]"
 		to_chat(user, "<span class='warning'>You have to remove [who] [covered] first!</span>")
-		return 0
-	return 1
+		return FALSE
+	return TRUE
 
 /obj/item/reagent_containers/ex_act(severity, target, origin)
 	if(reagents)