It's important to be honest with your friends
Tom was hit on by his best friends longtime girlfriend.
Tim wants his friend to be happy and have a good relationship.
Tim decides to tell his friend about it and the friend confronts her about it.
Tim doesn't tell his friend about the incident that happened.
The girlfriend admits to cheating and the friend gets out of a terrible relationship.
Tim gives in to temptation and goes out with his friends girlfriend and the friend finds out.