[When Robin returns to the apartment, the light switch doesn't work.]
Robin: Damn it.
["Highway to Hell" by AC/DC plays. A Christmas tree in the apartment lights up in sequence. Other objects around the room light up.]
Ted: Yes, it is. Look, you don't want to tell me what's wrong, fine. I don't need to know. But you can never stop me
from trying to cheer you up. It's a fact of life. You're just gonna have to deal with it.
Robin: Ted.
Ted: Hold on, hold on, this is the best part.