If a guy looks at you while you “dance”?

They were playing music at this fest that me & my coworkers where at, we had to work our booth, and during my break, I was walking around looking at different booths with some other friends (not coworkers) and they started playing this salsa song and although I didn’t full out dance to it, I was moving my head, hips, hands and I noticed that this guy coworker (i think he has a crush on me) started getting closer to me from the other side of the fest & then stopped to talk to someone else but was facing me and watching me do my little movements and he smiled at me
If a guy looks at you while you “dance”?
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