She never uses my name?

Not once has this girl ever used my name. Each time she sees me she says "hey" and all that, or when she tries to get my attention when I don't know she's behind me or something she goes "pssst" and we talk for a while. Were friends/co-workers for a couple months now and I know she knows my name because when I text her randomly she knows it's me right away and my name isn't long or complex or weird. She also calls other guys and girls by their names. like "Hey John did you see the news yesterday" and all that. So what's up with her never using my name even to call me over it's always "psst" or "Hey" etc. Kind of odd.
She never uses my name?
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