Is it best to ignore your crush at work?

When I first met my coworker i was attracted to him, but brushed it off and didn't think much about it. Within the past 2.5 months, I've noticed him catching glances at me, looking at me with an intense stare, there's so much unspoken that has been non-verbal. We pass in the hallways, I usually say hi, he responds. I decided that I need to let this go. He hasn't approached and talked to me, nor has he asked questions or showed actually actions he wants to know me. It was fun flirting fron afar, im already over it. I'm most likely just fedding his ego, he's playing games with his intense energy.

Is it best to ignore your crush at work?
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