I want to ask mom to stop coming to dad's family Christmas. Do you think I might have a good reason for this?
Really? What could be the reason for that? Does she not bring interesting fun presents?
I don't care about that, my mom always says something offensive to me there.
It's okay if you don't want someone to be around for Christmas if they're rude. You should tell your mother how she makes you feel. Maybe she will stop the behavior and you can enjoy the holiday together.
I don't want to go through all the hurt. I should celebrate it all by myself.
Negative people at holidays are always a problem, I can relate. You have every right to spend the holidays how you want to in this case. Toxic relatives only spoil the whole holiday for us all.