You guys cover it very well, pains, CPAP, arthritis, just turning and hurting your back(did that this morning in the shower) colonoscopies, having young ladies call you sir and tell you that you remind them of their father's

and not being as flexible as I use to be
One of the things that bothers me most is can't jump at the BMX track like i use too.
Almost forgot, if you grow a beard out in Dec, everyone calls you Santa claus