Quote from Barney in Mystery Vs. History
Barney: Look, I have pretended to be a licensed therapist enough times to know there is something unhealthy about your not wanting to find out. Back me up here, Kev. Kevin: No, no, no, no, no. This real therapist won't risk upsetting his wonderful new girlfriend by analyzing her wonderful friends. [tilts his head towards Barney] No matter how mentally unbalanced they may be. Barney: I hear you. Kevin: I don't think you do.