I have been through some very tough things in my life - job loss, lengthy unemployment, having to sell a house for less than I had paid, heart trouble (nothing major, atrial fib), and a Veeerrryy interesting medical interlude 3 years ago involving almost bleeding to death and having my gallbladder out the very next week...
Anyway, I have NEVER had to look far to see others in worse straits than me, and I have NEVER lacked the ability to be thankful for what I do have. I think that attitude has been what's gotten me this far.