Are shy guys typically sensitive to teasing?

I have a crush on a shy guy and we talk often but when I go to flirt with him, I tease him abit saying his abit of a troublemaker. Obviously joking because his the sweetest person ever but he just shuts down abit or he doesn't know what to say so he brushes it off with another topic.

Its kind of sad that he can't poke fun at himself from time to time. Id never bully or taunt anyone, and Id never tease anyone who doesn't like to be teased. But I was wondering if this is typical behaviour and how do I manage someone who can't handle teasing?
Are shy guys typically sensitive to teasing?
Post Opinion