You don't always have to intervene, but if you decide to, make sure you have everyone's side of the story.
If something's important enough to one or both of you enough to get heated about it, it's probably important enough to get to the bottom of it together.
This might not be the crisis team you would have picked, but it's the one you've got.
How to practically and emotionally deal with bringing the festivities—and your relatives—to your place.
There are lots of ways to support, protect, and take care of yourself, even and especially when your weird uncle is being insufferable