let me introduce you to doctors samson davis -- now, let me ask you something. when the three of you all get together as doctors and the three of you get together as boys. as i was doing the introduction, i could see y'all clowning each other in between. so it really has to be a fun thing to see the success, but to keep that comradery, is it not? >> absolutely. our whole story, the bond and the pact is based upon our friendship. we've been boys for 28 years now. that will always be in place. the goal of going into medicine, the whole thought of doing that and becoming doctors started first with our friendship. >> were you surprised at the reception the first book received? >> definitely. it was overwhelming to be honest. all we really were concerned with was just bettering ourselves and becoming better men and hopefully influencing our immediate families and people that kind of observe what we're doing, young people. but we didn't really anticipate it being such an overwhelmingly positive response. the neatest part about it is it was reassuring for us because we