stop this nonsense

code/game/objects/items/implants/implant.dm

@@ -38,8 +38,8 @@
 
 
 //What does the implant do upon injection?
-//return 1 if the implant injects
-//return 0 if there is no room for implant / it fails
+//return TRUE if the implant injects
+//return FALSE if there is no room for implant / it fails
 /obj/item/implant/proc/implant(mob/living/target, mob/user, silent = FALSE, force = FALSE)
 	if(SEND_SIGNAL(src, COMSIG_IMPLANT_IMPLANTING, args) & COMPONENT_STOP_IMPLANTING)
 		return
@@ -99,7 +99,7 @@
 		var/mob/living/carbon/human/H = source
 		H.sec_hud_set_implants()
 
-	return 1
+	return TRUE
 
 /obj/item/implant/Destroy()
 	if(imp_in)

code/game/objects/items/implants/implant_chem.dm

@@ -59,7 +59,7 @@
 /obj/item/implant/chem/activate(cause)
 	. = ..()
 	if(!cause || !imp_in)
-		return 0
+		return FALSE
 	var/mob/living/carbon/R = imp_in
 	var/injectamount = null
 	if (cause == "action_button")

code/game/objects/items/implants/implant_explosive.dm

@@ -48,7 +48,7 @@
 			imp_e.weak += weak
 			imp_e.delay += delay
 			qdel(src)
-			return 1
+			return TRUE
 
 	return ..()
 

code/game/objects/items/implants/implant_mindshield.dm

@@ -64,8 +64,8 @@
 			L.sec_hud_set_implants()
 		if(target.stat != DEAD && !silent)
 			to_chat(target, "<span class='boldnotice'>Your mind suddenly feels terribly vulnerable. You are no longer safe from brainwashing.</span>")
-		return 1
-	return 0
+		return TRUE
+	return FALSE
 
 /obj/item/implanter/mindshield
 	name = "implanter (mindshield)"

code/game/objects/items/implants/implantchair.dm

@@ -158,11 +158,11 @@
 
 /obj/machinery/implantchair/genepurge/implant_action(mob/living/carbon/human/H,mob/user)
 	if(!istype(H))
-		return 0
+		return FALSE
 	H.set_species(/datum/species/human, 1)//lizards go home
 	purrbation_remove(H)//remove cats
 	H.dna.remove_all_mutations()//hulks out
-	return 1
+	return TRUE
 
 
 /obj/machinery/implantchair/brainwash