Does my crush like me?

My crush is every introverted. I'm going to go into details of just this month and then if I get any responses then I'll go into more details. But I was gonna ask him if we could talk/ hangout outside of work and maybe go to this thing together. Then I saw him into this other girl or maybe just reading to much into it. So u just leave without saying anything. I came back to work today and everyone in his department was super smiley at me and his friend always seems fidgety and nervous when I'm around him/ talking to him. ( not my crush buy him) and then I saw him he instantly looked down and I saw him in the break room at my break and he put his phone down and made eye contact and smiled and talked in a smooth voice when I asked him a couple questions about if he wanted this hoodie that ended up not being what I thought? Does he like me/ people in his department know something?

Does my crush like me?
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