If you have somehow managed to get one over on the killer and he is seemingly dead FINISH HIM do not drop the knife/gun and run away because you know what will happen. Please just shoot him in the head/stab him in the throat.
when you feel that things go way too good...you are with your friends on a trip to countryside...flying on the road on a clear sunny day, listening to music and making lots of jokes...don't wait for the night to come...muhahahaha...the person you've seen in the distance for a sec and looked like a piece of your imagination was real