AIBU - Christmas dinner is in our house. Issue is my brother & family usually turn up late. They kinda expect my kids who are older to watch their kids, my kids are getting fed up & feel they are expected to watch the kids all day & feel "dumped on". My DH is fed up with this & has said if they aren't here on time for dinner then they will have to wait until the buffet in the night. We tend to have our Christmas dinner late so no-one feels rushed on Christmas morning. Cos their kids can be demanding we tend not to have a family game after dinner cos one of them with kick off & my DH & kids are totally fed up. I totally understand what my DH & kids are saying love my DB & kids dearly, & tbh I am fed up with it too but at the same time don't want to be fighting about Christmas day. I know i'm kinda being a door-mat but, i'm trying to keep the peace at the same time totally dreading Christmas day - any advice.