Guy's Behavior

How to tell if this guy likes me (READ DETAILS)?

There's this boy I like, and it's the end of the semester for me. I wrote him (and my friends) letters, as a keep-sake. In his letter, I confessed my love to him.

According to his friends, he stared at the letter a lot, and kept re-reading it. He didn't say anything, or very much about it. He is known to be rather shy, and not interested in relationships, yet, I was not faced with instant rejection. I gave him flowers once, he denied them, his friend said "I'll take them if you don't want them." and he said "They're mine.'" He kept the letter in the inner pocket of his coat. (Apparently, he does that for things that are important.) He seems to be acting the way he normally does, maybe a little more happy after me giving him the letter. He keeps staring at me, and tries to be around me. (i. e., going to his table to talk to his friend, coming close to me and talking to my friend, etc.

He usually gets very awkward when it comes to these situations, and yet, he's perfectly normal. He has his friends tell the person he's rejecting that he's not interested (or gives them the plan no)

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How to tell if this guy likes me (READ DETAILS)?
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