If he's still interested, will he find a way to reach me out?

We had a fling few years ago (no sex, I was still into my ex and wasn't able to see him "that way"). Now we work for the same company, same site but different depots/departments, so we barely see each other and have no chance to speak whatsoever. He's not on social media and no longer has my number (I changed it). If he's still interested, will he find a way to reach me out?

If he's still interested, will he find a way to reach me out?
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