He hated you. Well, not you specifically, but rather the fact that you expressed your care and attention for him by physical contact.

Being paired up with you as dormmates for the year was the worst case scenario when it came to his mysophobia.

You just kept touching him unintentionally, and it would send a wave of disgust through his entire body everytime.

You tapped his shoulder to ask for something when he turned to you.

"Stop doing that. I'm serious." He grumbled with a glare.