I really,really know that christmas is a difficult time...
I have Out laws that i cannot stand...
But....
If your Pils are ok, then let them have a bit of time with your children at Christmas.
It's only one special day a year.....they love your partner,he is their son,they could learn to love you too....
But they do love their Grandchildren.
Don't forget that you may one day be the,
MIL FROM HELL