I can relate to a lot on this thread.
Never had a close family, mother left when I was about 13, so have no relationship with her at all, see my dad often, brother lives 300 mile away, he never sends a card or anything anyway.
My wife's father is dead & she has no relationship with her mother, who is pretty nasty, either.
Thankfully 2 of my wife's sisters are lovely & they all get on well, we sometimes visit & they visit us.
Used to do the in-laws 1 year, my dad the next type Xmas thing but we knocked it on the head years ago & just spend it at home, the 2 of us.
Every year I watch in amazement, the clown across the road putting lights on everything outside his house, on like the 20th November, then as night follows day a few others festoon bushes etc with shitty flashing lights.
I can guarantee tomorrow he'll take everything down, what is Christmassy about that?
Used to be 12 days before you put a tree up & 12 days after you take it all down.
My wife had major surgery this year & our dog sadly died, so will just be glad to see this year end.