A woman marrying a younger man should not be a hurdle in love life or family life...whatsoever. An yr's difference becomes negligible as both grow up. It more depends on mutual respect, compatibility n understanding. They r them main factors.
It has been observed that men do have ego problems...sometimes...which can be resolved if they act sensibly.
It has been observed that, in the Indian context, the family members have an objection to a man getting married to an older man.