Boy, penises are fascinating. You probably have one and have spent years studying it and working out it’s various uses and limits. You most likely consider yourself an expert. But you are wrong! For instance, did you know the record for load shooting distance? Or that semen contains 3 natural antidepressants? Tell that to your girlfriend next time shes feeling down in the dumps and you’re in need of a blowjob.

Here are 10 crazy facts about the penis, so you can dazzle your friends and your lady. And if that’s not enough to impress her, school her on her lady bits too!