Ever wonder why sticking your finger in your belly button makes you want to spend a penny? Turns out there's a very good reason for it so you can tell your mother that no, it's not just you that's odd ...
Stop what you’re doing right now, pull up your shirt, and have the person closest to you poke you in your belly button. Let ’em root around even, to the point where their first knuckle disappears. Go ...