How to deal with an overbearing mom who doesn’t like your date?

My mom is very strict with my dating life not that I date a lot anyways. Recently I told her about a guy I was friends/dating and she didn’t like him because he’s a waiter and doesn’t have a high socioeconomic status. She is also very invasive about sex and persistently told me not to meet with him indoors. I told her that while I understand her opinions if I like someone I won’t need her permission to go out with him or do anything further. She won’t back off though saying we will discuss this in a few months. Wtf?
How to deal with an overbearing mom who doesn’t like your date?
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