Does he want me to approach him?

I have a crush on this guy in my uni but have been scared to talk to him because I am really shy and he is ALWAYS with his friends. He has noticed me many many times since we have had so many classes together and run into each other on campus. It always look like he wants to talk to me but he doesn't and I don't think he is a shy guy at all.

A few times he walked really close to me and looked at me from the corner of his eyes but didn't say anything. During lectures he would always stare at me, even if he is sitting in front of me he would turn around to look at me.

I think he knows I am pretty shy but is he giving me hints to approach him?
Does he want me to approach him?
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