>> i don't think it's them pathic. being together, hanging out all the time.riend that you hung out every day after school, that's what we have, just times that by a million. >> reporter: the bryan brothers would argue, it boils down to six hours of tennis a day, six days a week, for 20 years plus. we decided to ask their father, wayne, for the truth. do you think they read each other's minds? >> it's only because they've played thousands upon thousands of matches. >> reporter: i managed to show the bryan wroeothers a thing or two, at the men's clay court championships in houston. i'm going to join the tour any day now. they hit a losing streak this spring, so, incidentally, just as bob got married to his long-time girlfriend. up until then, the 32-year-old bachelor shared virtually everything. their home, one car and millions in prize money. >> we had one bank account and michelle said, no, guys, it's time to split up so, we split up the real estate, it was like a monopoly deal. >> reporter: it felt like a divorce? >> kind of bickers over a couple grand here