Everybody's been there at some point. You're in a situation when propriety is paramount — a job interview, a fancy dinner, in the middle of reading your wedding vows — when you start to feel a bit of pressure in your lower intestine. It's building ... and building ... and it's gradually becoming an emergency situation. But you gather all of your fortitude and hold it in until, finally, mercifully, the pressure subsides. But did you ever wonder where that gas went?
Here's what happens when you hold in a fart — and why you shouldn't do it too much.