Comfort food: it's probably different for everyone. Meatloaf. Noodles. Chocolate cake. Hazelnut coffee with lots of milk in it. A bacon-lettuce-and-tomato sandwich. Cookies.
I'm not sure what might be the wine equivalent to comfort food. Something big, warm, and red, I would think. Certainly one doesn't want champagne, or anything zingy or racy or light, or even white at all. Would we be safe with a perfect Napa valley cabernet, from a perfect producer, and already aged to a certain (if not necessarily perfect) maturity?
thick, brownish purple
the scent of cedar (comforting and familiar)
old, soft, dark plums
the zing of acidity, bite of tannin
very good, very masculine
If merlots remind me of beautiful actresses, then this is --
Image from Military Channel
Delicious. To be saved for comforting company, if you like.