He scratches the back of his head, disordering his hair even more than usual.
"Look," he tries, "I'm just saying that if having some other sweetheart was gonna make her do that ..."

(That like everyone else does stings more than he would have expected. People from Radar's home must be damn fools if that's happened to him enough that he expects it.)

Without intending to at all, he changes what he was going to say. "Can I tell you about something that happened with me one time?"