How do you change your age on Xbox LIVE?

I am 16 and my account is 16, I have everything allowed, everything unblocked. It still tells me I can't download anything M rated or RP. I would make a new account by I don't want to reset all of my achievements..How do you change your age on Xbox LIVE?You can't. Apparently, Microsoft thinks they know better about their customers than the parents or whoever is in charge of the customers, so they set their own censors. Sorry.How do you change your age on Xbox LIVE?you cant, but im pretty sure theres a mod that lets you do that but i dont mod so i wouldnt know

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