A guy walks into a bar and sees that there is a horse in the bar. He bets the bartender $10 if he can get the horse to laugh. The bartender takes the bet. The guy walks over to the horse and says something to him and the hosre laughs and laughs and the guy gets the $10.
The next week the guy comes in and sees that the horse is in there again. He bets the bartender $10 if he can get the horse to cry. The bartender takes the bet. He walks over to the horse and the horse cries and cries. He gets his $10. The bartender asks how he made the horse laugh and cry so hard.
The guy says "Well, last week I told mine was bigger than his and this week, we measured"