Does he like me or am I delusional?

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I need to know what my coworker is thinking he in my opinion I think we have pretty good chemistry and we banter with each other a lot recently he's been super touchy like dabbing me up but he doesn't let go of my hand or making excuses to hug me today as he was leaving he gave me a hug as I was pulling away my hand accidentally grazed his butt he looks at me with a smirk and say I know you like me but we are at work right now was he flirting, just messing with me, or am I just delusional
Does he like me or am I delusional?
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