Hi I love my uni TA but get stressed around him and play it cool now he thinks im arrogant altho we were friends. im in a diff country now what to do?

The moment I see him i get anxious and literally can't talk and he gave me several chances to be friends but i couldnt bc im too stressed around him. i follow him on ig but he doesn't interact or post anything at all. My friend told me he kept looking at me in college but I don't know if its true (i was too busy trying to act cool). Now our relationship is downhill so texting him is not an option but i can't stop thinking about him.. any answer to any of my questions? what to do if i can't move on?

Hi I love my uni TA but get stressed around him and play it cool now he thinks im arrogant altho we were friends. im in a diff country now what to do?
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