Are you looking for a personal hero or just want to enjoy tennis? Nobody is perfect. Tennis players can be stupid, evil or cruel. Like any other person. Medvedev does (if he really does) what half of the men (and women) do. Yes, cheating is bad, but this is his private life. I guess a lot of players are cheating on their girlfriends. They are young, they have a lot of money and they spend many weeks away from home. We just don't know about it. If you stop supporting every player who has some kind of "sin", you won't have anyone to root for.