People who make me feel like crap or worse off then when I encountered them consistently are written off and out of my life
Doesn’t matter if its family, nobody is entitled to your attention and suffering and it does nobody any real good for you to succumb to the inevitable dysfunction it creates in your life and relationships and also material conditions.
To me, having a strong opinion means I have thought about the problem space enough to understand what I believe are the important aspects and what optimizes them. Remembering to hold them weakly in the light of previously unconsidered or under appreciated arguments prevents me from becoming overly rigid.