Is he actually into me or just enjoying the attention?

So basically there’s this guy I like and pretty sure he likes me back. He briefly flirted with me back in August and I would notice that he’d act nervously when I was around. We were in the same class 2 years ago but we never actually talked. He also smiled once when he saw me because he didn’t expect me to be there. We would stared at each other for moooonths and he did try to approach me twice (his friend also tried to approach me for him) but I was so shy and so was he (I’m introverted and he’s the complete opposite). I finally was able to send him my snap and he added me there. I texted hi, he responded, and when I said wassup he decided to ghost me. I would see him being online often and I felt so offended that I decided to unadd him because I thought he wasn’t interested. Irl tho he would act the same way, stare at me, he would try to talk to me, he would act nervously… So added him because I really wanted to get to know him since we don’t really see each other that much (1x week, sometimes 2x). It’s been almost a month and no answer. His actions confuse me so much. Does he actually want me or is he simply playing with my feelings? Right now I kind of act like he’s not there because I feel like he only wants my attention…

Is he actually into me or just enjoying the attention?
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