I believe the psychological phenomenon of genius is a neurochemical addiction to creativity. (More humorously, it can be described as a mental illness that gets a lot of good press because it happens to be useful.)
Recent science reveals that our two instinctive boxes for emotions are correct. There are only two emotional settings: good and bad. “Bad” is anxiety or an increase in anxiety. “Good” is a low level of anxiety or a reduction of anxiety. It feels good to reduce anxiety, hence dopamine rewrites our white matter circuits to repeat behaviors which reduce anxiety. Sometimes this passes an inflection point which leads to addictive behavior, which could be good or bad depending on adaptiveness. Addiction to the approval of family members is generally good, addiction to substances is generally bad.
Genius is generally good but currently bad.