I have friends who are like that, once, the smell of carrion has reached the surface. I would leave them, right then and there. Why should you be friends with people who like to hurt others by making others a second choice? Everyone should get what they deserve, everyone can get a chance to have the same story... at least, a happier ending. So, please— don't try to approach me as a friend again because cheating is a bad business, a despicable business. Once you get into it, you'll never know how to stop. I don't know the right way to say this... their partners, they feel numb and it takes a long time to recover from infidelity. I know, it's not my responsibility. But, I am also sad to see others being hurt by people I know.