Do you have a co-worker that goes by the opposite gender at work but not outside of work?

I have a co-worker that looks female but prefers to go by he/him but one day I found out that at home she is a wife and mother and she has a son and goes by she/her (at work she claims her husband and toddler son are just roommates)

Do you have a co-worker that goes by the opposite gender at work but not outside of work?
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