"I have a secret..."
OK, so you are on a first date with a guy/girl (depending on your sexual preference) that you are really attracted to, and out of the blue, he/she says to you "I have a secret", and they smile at you, waiting for you to take the bait and ask what the secret is.
Now....What would be the worst possible secret he/she lays on you?
Also, what would be the best secret he/she lays on you?