Can married men be happy and still cheat?

Sweetie, if married man or married men are happy with their marriage, do you think they have reason to cheat and betrayed their wife? Some will do because it's their nature. They can not be satisfied with just one woman or a wife. Some married man will take a while before they end up having affair, reason is for his selfishness. There's a lot of happy marriage that husband have affairs, not only the one who's having problem. But if you put all this together, men do make their own bed and they also lay on it.