You're going to get yourself into a lot of trouble."
"Why?"
"Because of her right there. Do you know what Daisy would do if you ever cheated on her."
"Move on to the next guy that told her she has nice tits."
"Okay, you're probably right on that one. ↗
We are more likely to cheat if we see others doing so. We tend to conform to accepted norms of reasonable behaviour, rather than adhere to strict rules. ↗