If we celebrate each others' successes rather than use them as a lightning rod for competition, our kids may actually understand the idea that what you have is really not important at the end of the day. What is important is who you are and how each of us treats each other.
Sooner or later, and usually at the most inappropriate time, some version of The Question ("Where do babies come from?") will emerge from your child's lips. Whatever the inspiration, our responses as Black Daddies tend to oscillate between evasion and deliberate vagueness ("Go ask your mother....").