Obsessions

Mitch Grassi is a 24 year old male.
And yet he act's like a 5 year old sometimes.
Or a 16 year old with bad attitude.
The doctors don't know why.
Scott Hoying, Mitch's best friend, didn't care about Mitch's silly obsessions, like watching Frozen or SpongeBob 24/7.
Key word: Didn't.