In almost each rank Grade a life time of studies is introduces as seen below.

1st Black belt to Second BB

Tai Chi Ch'uan Yang Tai Chi (64)
Pa Kua Chang Classical Pa Kua
....... and on and on

It starts Iron Body training at its highest rank level, if you ain't got it by then it ain't gonna do you much go 45-60+.

I'm not sure there's a complete sentence structure anywhere in this section of your post. Could you clarify your argument on the issue please?