Is my co-worker interested in me?

My coworker and I meet at the office once a week and tho initially it was nothing, I recently noticed that he tries spending time alone with me. He'd insist on telling others to wait elsewhere while he accompanied me to a restaurant. Another time, he'd be the only one staying behind for me even when everyone else leaves to get drinks. He tries to be in the same team as me although we aren't close friends or anything and he's not like this with others either.

He 'accidentally' touches my hand and is generally shy when he talks to me.

Is my co-worker interested in me?
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