White women who are in shape and top tier looking(8 and above) usually are heavily pursued by the White men that they're surrounded by which means that they get off the market very fast. Long before hitting the big 3-0, they're mostly already taken by Todd, Jason, Ryan, and Connor.
White women who are on the heavier side aren't as sought out by White men unless they grew up in poor hick towns which means that fat or plus-sized White women usually stay on the market longer than those who aren't. Even some White dudes complain about only getting matches from fat chicks in online dating for this reason.
Black men don't really have the racial advantage or resources to be as successful in securing relationships with top tier looking White women which is why a lot of brothers end up with basic looking ones as well as the fat ones. Granted, the better looking ones are sometimes open to messing around with us but marriage and long term relationships are a different ballgame. Those same White women who f*cked a Black dude back in college will kill off any chance of having a mixed child and will hold themselves out for Todd, Jason, Ryan, and Connor to have a "wholesome" White family.
That said, Black men who are tall/dark/handsome or have a lot of money/success can pull off a Jamie Foxx/Katie Holmes, Eddy Murphy/Paige Butler, or bag a non-fat PAWG in general for a relationship but the competition is fierce cause you have to compete with the so-called "Chads" in the White community that White girls are more familiar with. F*cking is more random and can happen with anyone though.