>

Its difficult. And it only works when there is some kind of threat.
You are not legally bound to your in-laws for any reason whatsoever.. you can ghost them entirely and there will be absolutely zero legal repercussions.
Wtf are you on about? >

It is true that one is not legally bound to in laws. >

If your partner also has a issue it's called cutting contact. If not it's called ending relationship or dealing with it. Marry the  girl marry the family as they say. >

Restraining order?