As I get older, I realize the implications of what that brings. Aches and pains become more of a constant thing to deal with. People that looked at you before now stare past you. Your world view becomes more narrowly focused: Either you become more conservative or more liberal. Sitting down, I take note of a pain in my ribs and instead of relagating it to the back of my mind without a thought, I entertain the possibility of something more ominous. Is it a sign of cancer? Is there something else wrong? Is it another thing breaking down within me? My attention to such matters becomes more acute. Things which never bothered me before become a more constant companion. A change in humidity or temperature I notice when my wrists become painful, or my shoulder, or neck, or back. When I never thought twice about how hard I exercised, now attention to my heart rate has to be be paramount among my concerns. I injure much more easily and instead of my body being fine in a day, it now takes weeks