https://youtu.be/qSuzLAP3S24 Learning about personalities and behaviors may be more important now since people are living in close quarters...What are some patterns over one's lifetime? What is one's internal experience...and impression on others? Is it safe or reasonable to ask others or might some people have distorted views and other agendas to maintain and 'have clouded filters?'
Consider seeing The Enneagram (online info and The Wisdom of the Enneagram book.) Can empathy be taught? That's explored in the last 20 min of the talk with a few professionals. Is violent psychopathy treatable?