Why am I still getting garbage for being in a interracial engagment?

I’ve been with my now fiancé since 2018 and we’re been in a happy, healthy sexual relationship. I’ve gotten comments from some people about not being black enough because I’m with a white man. I’m (F 24) mixed race (black mom and white dad) and I’m getting garbage for it. My fiancé (M 27) is white and same with him. My parents gotten harsh criticism about their marriage (they’re still happily together. I know most people prefer to be with the only which is totally fine, but love is love no matter what. One of my mom’s cousin doesn’t agree with interracial relationships and believes we need to keep in our own race and not let the race die out but treats my dad like family. One girl said my sister is a REAL black woman because she’s married to a black man and I should have gotten myself a strong black man. She said, “I guess you’re not the strong black woman I thought you were. Useless and shameful. Betrayal of blacks. First of all I’m MIXED. Anyways has anyone who are in or have been in interracial relationships had to deal with it? My fiancé and I are getting married sometime later next year. I don’t care of my man is white, he’s an amazing man no matter what.

Why am I still getting garbage for being in a interracial engagment?
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