Men are biologically wired to seek out women smarter than they are. This works out well as beauty and brains are generally found together. Nature designed us this way so that we'd get smart kids. Nature also programmed men to be dominant, and beautiful women gravitate to dominant men---rich, powerful, athletic, flashy---If a man is worth his salt, a genuinely good husband, his beautiful and more-intelligent-than-he wife will allow him to -think he is dominant.