What to think when a coworker calls you 'hun'?

I just started a new workplace two weeks ago and I met a coworker and have been asking him for help and when he couldn't help he said 'sorry hun' I have had maybe 3 shifts with him. Is there more to this? I was sort of taken aback because only my boyfriend calls me hun or honey baby etc.
What to think when a coworker calls you 'hun'?
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