If I'm "in love" with her and she treats me (wonderfully) it's really none of my business why she chose to marry me.
Truth be told one of the reasons many men strive to reach a certain level of success is to be able to attract women who ordinarily would be "out of their league".
Fame and fortune are aphrodisiacs for (some) women.
No one can convince me that at the time a 86 year old Hugh Heffner married a 26 year old beautiful playmate because she was madly in love with him. Most rich men know had they been broke they most likely would not have the woman that came along (after) they became rich. It's a "trade off".
Everyone gets with people because they have "something" going for them whether it be hot looks, personality, sense of humor, connections, reputation, power, fame, or money. No one pursues a relationship with anyone whom they feel has NOTHING to offer them!