Guy looked at me and then looked for girlfriend, is this a bad sign?

Hey all,

Saw the guy I like in public. I literally unknowingly caught him staring at me when I was staring off into space. (At a concert.) We held eye contact for like 4 seconds while he was walking past me and then clearly looked for his group of friends or partner, I can't tell which.

Is this a bad sign? It's OK if it is, honesty is key. Thanks!
Guy looked at me and then looked for girlfriend, is this a bad sign?
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