I When I worked the state fairs through the midwest I met quite a few actually married Negro-Caucasian couples, most with children. I talked to some of them and heard variations of the same thing. The white guy who was turned off by the white girls he met being of the insistent feminist and promiscuous variety or just too me-centered etc who met a Negro girl who was turned off by the drug dealers and the determined illiterates of her own community. It works with the black man and the white woman the same way. These were married couples and were the most settled and content appearing young marrieds I met. My previous nervousness about mixed marriages evaporated in those years.
I grew up in a mostly lily white suburb in the Bay Area. Had a few black classmates, but we never really socialized.
In college, I lived in dorms where the basketball and baseball players were housed, encountered more mixed race relationships.
Then came the Army for 8 years. I was in Air Defense Artillery, where most of my soldiers were minorities. Mixed race marriages were a common occurrence. I was definitely in the minority, as a white officer.
Got back to the States, landing in El Paso...tens of thousands of beautiful women there, mostly Hispanic, of course. Ended up marrying a lovely Hispanic woman who's stuck with me for over 30 years.
My daughter invited one of her friends to an awards banquet in HS. Her date, a black kid, told her the next day he didn't think I liked him at all. My daughter laughed and said, "he's that way with EVERYBODY!" lol
When it comes to race relations, I've toned it down over the past few years. Before that, I dealt with race like Mel Brooks did with Blazing Saddles. Shoot, I remember listening to Richard Pryor records in the dorm with my dormmates, drinking and smoking and laughing until we had tears in our eyes.
A bit more O/T, but the sociology students used other students on campus as lab rats for their "social experiments." I was in the middle of one, in the school bookstore. Simply put, two men, one black, one Asian, spent a couple of minutes throwing racial epithets at each other. At first, we surely thought a fight would ensue. As the experiment continued, we saw their motive, and relaxed.
Just try that today, and see where that gets you.