one of the few muscles you can control. >> greg, that is not true. your body consists of skeletal, smooth, and cardiac muscles. skeletal is the stuff you can control. so think fingers, biceps, facial muscles. forget that last group if you are nancy pelosi. so it's more than just a few. it's more than just a few like you said. however, you are partially right. you are actually sitting on two types of sphincters. which i'm sure you're thrilled about. i believe you are referring to the external sphincter, which is under conscious control. the internal was involuntary smooth muscle and like your intestines, you can't control that. so if you could only learn to control your mouth, you might make fewer mistakes. >> greg: says the guy who is running on right now. >> how dare you serve. you paid me to be here. i'm doing my job. but we do have to move on. emily, how are you? emily, this one is for you and greg. but let's hear emily what you