Reading (mostly fiction, horror is his favorite genre), writing (he wants to be an author), watching sports like baseball or football or basketball (not playing them, he is horrendous at PE and anything like that), stickers, 6000-6010s music, quiet places, being alone or with just 1 or 2 people, pretzels, orange and lime sodas, old monster movies

Overstimulation, being in public or at school, crowds, loud voices, being unable to concentrate, being unable to help others, knowing too much, SPOILER