me: Thank you for that glass of milk earlier.
sperm bank employee: What glass of milk?
me: The glass of milk that was sitting on your desk.
sperm bank employee: Oh, my God!
sperm bank employee: You drank my glass of milk.
A man heard a knock at his door so he got up and answered it. There at his feet he saw a snail. Looking around he didn't see anyone else so he squatted down and flicked the snail across the road. Ten years later the same man heard a knock at his door so he got up and answered it. Looking down he saw a snail. The snail looked up at him and said "What the fuck was that all about?"