Listen, I hear y'all and your Touch Averse Autistic Donnie headcanons. But may I take a moment to present you with the option of: Physical Comfort Autistic Donnie, who is very comfortable touching his family and friends and with them touching him? And who uses physical touch as a way to show love without words?
Bc once you start looking for it, he is CONSTANTLY in physical contact with someone, and it's almost always in an affectionate way