Overthinking? I made things awkward between me and my crush? He tries to act like nothing happened but? Gave him my # w/o him asking, doesn't text me?

Anonymous
There's this freshman, and I'm a sophomore. We were assigned to sit next to each other for one school quarter and we got along pretty well and talked but I was pretty sassy towards him. A few people in our class joked, saying how he was "obviously" flirting with me.

one random day, this new girl sat behind us. He HATED this girl, and they always fought. So he asked the teacher to switch seats and moved to the other side of the classroom.

So we stopped talking for a couple weeks, then I wrote a tbh on his Instagram. I was pretty sassy in my tbh and mean but he knows that's just how I am around him. So the next day he caught up with me in the hallway and said "hey that was a nice tbh you wrote" and laughed and was pretty sarcastic. Then he just walked off to talk to some freshman girls.

The next day the teacher assigned new seats for the new school quarter and I was next to him again. I found out he actually liked someone else. And she rejected him. And he even told me how she rejected him and I kind of comforted him about it and we started talking about it. ( he still didn't know I liked him) He seemed really down about it but he got over it in about a week or so. They're still, best friends.

So we started talking again. And flirting and stuff. Some days we wouldn't talk or flirt nearly as much as others. And he talks to a lot of freshman girls, especially on Twitter and stuff. ( I don't even have a twitter, and he knows that, but my friend told me he knows a lot of girls. He talks to a lot of guys too. He's rlly popular.)

I did a tbh challenge on Instagram and dm'ed him saying: tbh you're so mean to me in class lol but I used to like you for a while I don't know you probably figured that out tho. Ur chill and hmu sometime. He read it and didn't respond.

After that it got kinda weird. He doesn't talk AS much, and talked more to other people in class. He and I still talk and say hi, but he got kinda awkward and gave more one word answers.
Overthinking? I made things awkward between me and my crush? He tries to act like nothing happened but? Gave him my # w/o him asking, doesn't text me?
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