only the naive, co-dependent, silly doormats are and then they stick around and put up with his crap for 5years.. theres a few exceptions to hat obviouly. but you could twist it and say the same thing about women. plenty of guys get strung along and played. it works both ways..
i personally think unhealthy people attract other unhealthy people which leads to destructive relationships (emotionally, mentally, physically)
healthy people generally attract healthy people and have good relationships and if they find themselves with the wrong person-there strong enough to walk away