Healy's incredibly un-PC attempt to impress Mary by talking about how he "works with retards".
When Ted is telling his story to his shrink, we see he'd gone out for lunch while Ted's back was turned, then managed to con Ted into booking another session by suggesting he might have latent homosexual tendencies.
"I get a high from helping all of God's creatures." *smashes a bug*
"STAY AWAY FROM THE LIGHT!" "Okay, I'll just get you a regular."
"(beat)...What the hell is Brett Favre doing here?"