tell some girl you're a virgin. back off a little when she decides to teach you about the birds and the bees, allow her to get her way eventually. you could play this game with several different girls, provided they don't know each other
There, I have done my good deed for the day.
For his one birthday, various friends of his (me included) bought him that book - we were all quite amused by the coincidence.
Just be careful if they "have breakfast & ask for taxi money in the morning"