Fix infinite blood trails

code/modules/mob/living/living.dm

@@ -709,6 +709,8 @@
 
 	var/bleed_amount = bleedDragAmount()
 	blood_volume = max(blood_volume - bleed_amount, 0) 					//that depends on our brute damage.
+	if(bleed_amount < 0.1)
+		return
 	var/newdir = get_dir(target_turf, start)
 	if(newdir != direction)
 		newdir = newdir | direction