It's a comfort, cooking one of your favorites.

[He's been getting the urge to make his nakama's favorite food lately. It feels like it's been a while since he's done that.]

Heh, I hope the old man is. Although, he wouldn't admit it even if he was. We just had that sort of relationship.

[Sanji remains quiet for a moment, before noticing that she's mostly eaten the fried rice, causing him to smile brightly at her.] Was the food good?