"Women need a reason to cheat; men just need an opportunity." One of the universal fears of women is being cheated on. You could walk in on your lover with another woman or you could read a very hurtful email or text message. Whatever and however you find out, nobody likes the pain of infidelity. Somehow, men tend to move away from being monogamous easier than women do. And most relationships have a cheating man rather than a cheating woman. Can a...