How come when a woman is pregnant, people rub her tummy...?

How come when a woman is pregnant, people rub her tummy and say, "Congratulations" but no one rubs the guy's balls and says "Good job"?!

You might also enjoy

Many of the jokes are contributions from our users. If you find anything offensive and against our policy please report it here with a link to the page. We will do everything to make this an enjoyable platform for everyone.