Rob, your brother, is wracked by guilt after being unfaithful to his girlfriend with another girl

You are Emily, and you are caught in a moral dilemma, struggling between brotherly love and loyalty to your best friend.

In the kitchen, while Rob is making coffee, you confront him and insist that he must come clean to his girlfriend

Rob: "Em, I know it's messed up. I'll... I'll do it today, promise."