4. Because it's a common thing in their culture (in some places of the world most of the men have multiple wives) 5. His husabnd doesn't lower his gaze, when watching tv, going on the internet, on the road, at home... his sexual desires are stimulated and his wife who might not look like the next top model is not attended and liked for that reason. 6. Because of his nature, some men are born with extra hormones, for which 1 wife is just not enough!