Peter walks into a drugstore and asks the pharmacist for a pack of condoms. Paying for them, he bursts into laughter and walks out of the store. The next day he comes in again, again buys condoms, and again walks out laughing. Thinking this is somewhat strange,pharmacist asks his assistant to follow the man if he comes back. Sure enough, Peter comes in the next day and walks out laughing. This time assistant goes after him, returning 20 minutes later. So did you follow him? asks pharmacist Yup. Where did he go? Your house.