One reply - from Ruth Aliza - deserves sharing because it speaks to all of these.
I just wanted to thank you for sending this timely and thoughtful note about Christmas and Jews-by-choice. This year I'm spending Christmas morning with my parents and siblings (who live locally), and then spending the afternoon/evening celebrating Chanukah with friends. I've never missed Christmas dinner before, and it was hard to tell my mother that I was going to eat Chinese takeout and watch a movie! But it felt like the right thing for me this year---I wanted to both spend Christmas with my family, and do something that felt Jewish on that day.
Tangentially related: This week, I stopped by my neighborhood Walgreens to pick up some stocking stuffers for my family. As luck would have it, I ran into two different families from my synagogue while I was standing ("Rudolph" red-handed?) in the Christmas tchotchkes aisle. At first I was mortified, but then I realized: (A) Most people don't care what I've got in my shopping basket, and (B) It's ok! I no longer celebrate Christmas as a personal holiday, but my family does, and that comes with some practicalities....like buying stocking stuffers.
My P.S. to all of you is that born Jews also like things like eggnog, peppermint, gingerbread, bright lights in the dark of winter, and more. Be kind to yourself.
Just for fun, here's a delicious latke recipe for those of us who are not terribly fond of fried potatoes.