He smiles, looking down at the sweater. If she thinks it looks good, then it must. She's obviously got a better eye for these things than he does and that he looks nice in her eyes is far more important than anyone else's opinion, even Dean's.

"You're worth the effort. I told you I would be here if you needed me." Of course she doesn't need him for a party, but she deserves a successful party. She put so much work into this and he appreciates that, even if he doesn't get it.