Why would you want to work somewhere that you can't talk about your life, the things that bring you joy, your hobbies? Sounds miserable.

Plenty of time to talk about your life and hobbies once hired. If I’ve got 45 minutes to make a recommendation based on an evaluation, I don’t want to base any of that on your relationship/family status or pets, I certainly don’t want to give the impression that maybe I did that, and therefore, I don’t want to spend any time talking about it in the interview.

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You can talk about it at work, after you're hired, like with your coworkers. The company can't ask you about a lot of things in an interview without exposing them to a significant amount of legal liability.