Is there a chance to be together or should I forget about him?

There's a guy at work that I have feelings for we are kind of friends at work , we help each other with work, we complain about work and console each other..

At first I did not have any feelings for him and I always noticed that he had a thing for me. The first time I felt something was when he was showing me some video on his phone and held my wrist and kept staring at my eyes. He never initiated anything, I tried approaching him but he gave me mixed signals for months he kept getting hot and cold sometimes he call me outside of work hours to ask me about trivial work related things. I have checked his insta followers and man he's following a lot of insta models and OF girls, and I noticed how he check other girls a lot like a perv but sometimes he come of as a gentleman. So what's his deal and what can I do about him I tried to get over him a lot of times but everytime I meet him am back at the starting point and can't get him out of my head.

Is there a chance to be together or should I forget about him?
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