Originally Posted by polywannacrackeryo
You seem to know what you're talking about. I'll plan on talking with her. In the case that I break it off, would you recommend that I do that with only her, or with both of them present?
Why would break it off with him there? You're not his girlfriend - correct? - so, you wouldn't be breaking up with him. She's the one you're involved with, talk to her alone.