Can guys tell when a girl has a crush, and is it embarrassing if they do?

Hi everyone. Just curious, can a guy figure out if a girl is attracted to him or has a crush on him? For example we talk to each other now and again. We follow each other on Instagram. He is a senior to her (by six months). I feel like he is so attractive I sometimes accidently stare at him and he catches me (I subconsciously stare at him). I feel so embarrassed but I can't help it. We are both in university. Is this embarrassing or something to be ashamed of? I genuinely feel so embarrassed 😳🥲🫠😅 What should I do because I feel like he had caught on to me liking him (because I am always caught accidently staring at him) and I have a feeling his friends also think so (I feel so ashamed).. Help!

I don't know if he likes me or not or if he is weirded out by me. I just feel so embarrassed that I have a crush on him and I just need your advice. Please be kind in the comments.❤️

😅🫠🥲

Updates
17 d
Please could you let me know if he likes me back because I don't know. Please be kind in the comments ❤️
Updates
16 d
Guys, I think he has caught on and I think he knows I like him. I am so embarrassed. What do I do?
Can guys tell when a girl has a crush, and is it embarrassing if they do?
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