Why Cant I Download Rachel Steele Videos Why Cant I Download M Rated Content On Xbox Live Market Place?

Why cant i download M rated content on xbox live market place? - why cant i download rachel steele videos

I can not download M rated content!?
I have my whole family from settinggs allows me to download M rated content, but still not let me. whats up with that. I have also learned that, because I'm under 18 and let U must encourage his car with an adult. or what?