I had silent self-repeating echolalia until I hit puberty and a little after that. I've recently started compulsively blocking my nasal passage with my tongue then breathing through it again, I hope this doesn't mean I'm headed back down that road.
When I was very young I compulsively licked my upper lip. I had a chapped lip that reached as far as my tongue could, and I've always been able to reach the tip of my nose with my tongue.
GOOD TIMES YO