That's because you are too nice.
I'd have gone with something nastier, something much more difficult to wash off. Maybe smeared it on the under and backside of the door handle so he wouldn't see it until it was too late and all over his hands. :lol:
I am too nice :nopompom:
I was recently talking to my brother and his wife and gave him some ideas how to get even with a friend of his. I think the best one was cut up a bunch of Vienna sausages and stick them in the heat vents in his car :snicker: I could do that depending how mad I was at the person.