This poll was inspired by some of the discussion in this recent poll. I suspect that much of the disagreement in that thread boils down to differing perspectives on cheating vs. enabling cheating. So, being a scientist, I had to get some data.
Personally, I have never cheated on a SO. I’ve been very tempted, but my promise to him prevented me from straying. Ironically, the temptation was the guy with whom I was the other person.