At 80, I start to sweat. At about 72, my thinking becomes not as clear as I like.
At 68, I have to begin to think about how to walk without tripping. Then I read in some posts about people getting in the low 60's, 50's even 40's. With how i begin to feel at 80, I would think at 40 I would be flat on the ground and not even know it. How low do you get before you begin to function "funny" or cease to function?
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