You shouldn't have affairs with people.
Tammy is married, but meets a very physically attractive person at a golf course who she befriends.
Tammy wants to spend the day with her new friend.
Tammy spends the day going out to eat with her new friend in a non-romantic way, and they don't get intimate.
Tammy offers her friend sexual intercourse at the end of the day.
Tammy has a good time and is never accused of any wrongdoing for her activities.
Rumor goes around about Tammy's affair, and she loses social status.