How long do you wear a pair of underwear?  You know that pair of drawers you have on that you farted in all day?  The ones that you got just a drop or two of pee (or worse) in?  In short, how often do you change your stanky ass drawers?  More with Heathen next:

It's amazing that you can apply the same question to women, and even though the answer is remarkably lower, it's still gross enough to throw you off your game. Here's Heathen with the story.