How do you know?
Inversely, you could say only lesbian females would consider a polygamus situation.
For men, like tigers, it's about territory. No hetero man would willingly share a woman he loves with a group of men - in any permanent arrangement.
When a man cheats, the woman is upset about the emotional betrayal. When a woman cheats, it's a territorial, physical violation - women ask, "do you love her", all men want to know is, "did you have sex with him?".