Why did my crush do this? He was sitting on the desk in front of me which was parallel to mine. I sat on my chair, and he turned around and sat on?

the desktop so that he was staring at me from above. He did this in front of the whole class. He previously bumped into me 'accidentally' and stood really close to me and we've had really long eye contact. I really like him and miss him. I asked this question before but I got sarcastic answers. I just want reassurance whether he likes me or whether he's just messing with me.
Why did my crush do this? He was sitting on the desk in front of me which was parallel to mine. I sat on my chair, and he turned around and sat on?
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