>> do you stretch after every ride? >> i do like to stretch after i ride. tilt your pelvis and you can feel a stretch. put your leg up and do a hamstring stretch. do the other side. >> got it. >> you are spending just a few minutes afterwards. >> a few minutes afterwards. stretch your gluts out and stretch your back. >> it's nice for the back. i definitely feel that, awesome. and you do feel the hills for a long times afterwards, but it's really good exercise. before we go i got to have late night fun with bravo's andy cohen and also soleil moon frye. >> guess what sanjay gupta got into medical school when he was still a kid, just 16. wow. in honor of that we're going to play doogie or gupta, i'll give you a fact and you tell me if it's doogie howser or gupta.