What advice would give to a man 25 which would help him to keep flexibility in his skeleton in later life?

??what the?What advice would give to a man 25 which would help him to keep flexibility in his skeleton in later life?
eat rubberWhat advice would give to a man 25 which would help him to keep flexibility in his skeleton in later life?
Get a real good woman, or maybe that should be a real BAD woman. lol
Ask him to die young so that the bones of the skeleton would not become brittle due to aging