There are not many single drivers in F1. Actually, I only know of two:
Nelson Piquet Jr.: Nelsinho is not as great of a driver as his dad, but he is as big of a playboy. He as changed his girfriends in fast succesion since he entered F1 before he met Gabriela Constantino. They seemed to be strongly in love and it looked like more serious than Nelsinho’s previous relationships, but at the end of last year they have broken up, so Nelsinho is now single again.
Adrian Sutil: Adrian says he is very picky and that’s true in case of girlfriends as well. As his expectations are high he is still waiting for the one.
There is one more guy in F1, rookie Sebastien Buemi. I don’t know anything about his private life yet.
Now the introduction round is over, next time I will bring some news or thoughts.