Is it okay if I’m crushing a younger dude at work?

Whene he comes over to socialize with us, I can’t tell if it’s just being polite or if he wants to talk with me specifically. He has tattoos and likes cars.
I have tattoos and piercings and got a nice car. I jumble my words and can’t hold my body language confidently. Feel a bit weak but I don’t want him to pick up on that.
So perhaps I’m being self absorbed.
It’s work so I gotta keep it chill and a secret, but how do I find out if he has a small crush too?
Is it okay if I’m crushing a younger dude at work?
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