[Oh god. All of his self control just flew out the window now that she made that statement. They were seriously doing this. They were seriously talking about her breasts]

You're acting like an idiot. I don't think I have to express just how uncomfortable this conversation is so I don't see what you're complaining about. They're fine. They're really...[A bit of hesitation.] nice. You don't need bigger... you know... to look good. You're fine.