Why would he start saying hi to me out of nowhere every day if he doesn’t like me?

He’s my coworker. So we used to work at the same store for years. One of those years, he started saying hi to me and has been doing that ever since. Once in a while he might start small talk. Or I might.

I assumed he liked me if he would just suddenly have the urge to greet me everyday out the blue. Then years later I left the job. Never thought I’d see him again. Until one day a few months ago he showed up at my new job as a boss! We’ve never worked in the same department and he doesn’t now either. So we barely get chances to really talk much or get to know each other but we still greet each other.

It still confuses me why he doesn’t make a move if he’s the one who started being insistent on saying hi everyday.

Why would he start saying hi to me out of nowhere every day if he doesn’t like me?
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