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.
There are situations where telling a lie is the moral thing to do. Physical violence / murder is a worse offence than lying, so if by not telling the truth you can avoid a bigger harm, then it’s the right thing to do.