One thing about a man or woman who cheats on their significant other without considering it too big a deal...

Is that you can't trust them when it comes to too much else either. The lack of guilt or a conscience permeates into the rest of their lives and they make second-rate friends, colleagues and business partners, because betrayal just isn't such a big deal... Two of my friends who I know cheated on their girlfriends turned out be this way and I'm beginning to see a trend