As an adult, the last thing you expect to learn new lessons about is poop. Everything you need to know about going number two, you learned on your training toilet, right? Scatology 101: Everybody poops. Go in the toilet, not in your underwear. Pooping is not public conversation. Wipe front to back and wash your hands when you're done. Surprise! There's more! You've been doing it your entire life, but it's never too late to teach a pooping veteran new tricks. Click through for some important potty lessons you might have missed. Related: 8 Gross Dating Problems Solved