It’s common as black people for us to say “Black don’t crack”. You typically use it in a compliment form, or when you’re “going up” for someone, accompanied by the word “yass”.
All of us have encountered that black woman or man that made us change our entire diet because we want to make sure we look like “that” at “that” age, whatever “that” is. One thing that helps us to age as gracefully we do is our natural protection from the sun – our melanin. It’s that blue-black to redbone barely made it borderline melanin percentage that keeps us fine.