How does a man look and behave in the sixth stage of life?

How does a man look and behave in the sixth stage of life?
or
How does Shakespeare describe man in his sixth age?
or
What becomes of man in his sixth stage?

In this stage of life, man’s voice becomes childlike and loose skin hangs in folds from his thin and bony body. With his calf muscles shrunk with age, the trousers that he used to wear as a young man seem to be too loose for him now. As he moves about in slippers with his spectacles on his nose, he looks quite funny.