Any advice or recommended reading materials for help getting a 2E Aspergers adult (who honestly believes that emotions are unnecessary and harmful) to get along with a child who has overexcitabilities and is very sensitive? Adult admits to not experiencing empathy (or seeing any value in empathy) and child is overflowing with empathy in addition to having own strong emotions...

Adult has no interest in changing. Child is a preschooler. Both are PG.

I'd like to find a way to help them coexist happily.