Living life too much in the fast lane for anyone to even want to take a chance. If bodyguards are tough to keep around, the mere idea of risking someone's life in order to not live alone would be next to impossible. Even a Matchmaker would fail at landing her a date. Bribery, blackmail, those would probably be the only things that would work for someone to 'pretend' to have an interest.
Her adopted big brother James Justice might be a deterrent too
He's armed, dangerous and protective over his sister.