What should I do, should I continue this crush and get to know him?

Hi, so I have a crush on a guy from my class he is a good looking guy. He also suffers financially is this a red flag? And also in English he was behind me and he was hitting the foot of the chair with his foot. He was also looking at my butt and his friend said is it sexy and he said yes. And I dont know if he was speaking to me we had an excersice and he asked how was it. I didn't reply because I didn't want to be embarrassed because he didn't say it to me so anyways what should I do? He also loves set like me and I'm considering buying him. a sketch book since he draws on his notebook but I don't know if he will take it by offense.

What should I do, should I continue this crush and get to know him?
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