Originally Posted by James81
You have sex with someone who is in a relationship, you are causing someone else pain (i.e. the person you are cheating with's S.O.), assuming that they find out--which they usually eventually do.
I guess the difference is that I donīt see how I am causing them pain. That person couldnīt care less who I sleep with, except that it is their spouse.. Meaning that their spouse is causing them pain, not me.