It's wrong to have an affair with a married person.
Jane who is known to be married approaches Bill and offers a one night stand.
Bill wants to respond to Jane's offer.
Bill tells Jane that it's known that she's taken and that he doesn't feel comfortable being with her.
Bill tells Jane that she is very attractive and proceeds to indulge in having a torrid one night stand with her.
Bill feels relieved that he resisted temptation and is happy to have inner peace.
Bill later feels guilt eating at him because he knows Jane has a heartbroken husband back home.