Like any “normal” human I have a limited capacity for dealing with things each day. Mentally speaking I need to focus on university and I relax by writing. I reduce my mental and emotional “cognitive load” by dismissing certain things (and people!) and sorting a problem quickly. Sometimes this leads to bad blood but I don’t have time (or the energy) for dealing with petty people or trivial things.
I’ve already wasted enough time on these things.