Assuming you love your father, I advise you to reconsider your position and go to the funeral. It seems to matter a lot to him. Be kind to him, go, ignore your aunts. Sometimes, it is not that hard to make the world a better place.

But it feels worse to pretend I respect those lying assholes or to listen to their boring life I don’t care about.

It is even worse.

Spending time with people I care about or chess