Does he like me? Male coworker has been messaging me more and putting lots of smiley faces in his messages ever since I gave this one presentation?

He also added me on LinkedIn one day and also mentioned meeting up for coffee when he’s back in town. One of my other male coworkers said casually one day “yeah he likes you, he thinks you’re cool.”
Does he like me? Male coworker has been messaging me more and putting lots of smiley faces in his messages ever since I gave this one presentation?
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