If this is even a serious question, there's absolutely nothing wrong with marrying within your race or with any other race. There's also nothing wrong with fucking whomever you choose.
Of course, you're posting this on a site called "Black to White", so you may be expecting a more fetishized answer.
We're happily married. Interracial cuckolding is a major turn on for us as a couple. The wife is happy. The husband is happy. It's assumed that Bulls are happy. What's the issue?