Give a fuck while you’re on the property and don’t give them any space in your mind, heart or soul when you’re gone.
That said, fuck them, hope they burn in hell is the opposite of not giving a fuck since they still get that attention or energy from you. Try to think of them as little as possible and give them as little emotional energy as possible when you do think of them.
One of the things that I took from therapy was to stop and really consider how much influence I had over specific outcomes and then dive even more deeply into how much influence I had over specific outcomes at specific points in time.
I might have 85% control over x component of my job generally while I’m physically present. But do I have any control over it at 3AM while I’m at home? No, there’s 0% control and not way to change that, it’s better to save my energy to deal with it in the near future than stressing/ruminating about it right now.
This is a result of 3 rounds of therapy each running about 3 years, one of them including group mindfulness meditation followed by group therapy in addition to individual therapy. It’s not easy, but it is possible. I also strongly believe it’s worth it.