" Some of it was just a function of my getting older, I suppose, for if you are paying attention, each successive year will make you more intimately acquainted with all of your flaws – the blind spots, the recurring habits of thought that may be genetic or may be environmental, but that will almost certainly worsen with time, as surely as the hitch in your walk turns to pain in your hip. "

― Barack Obama , The Audacity of Hope: Thoughts on Reclaiming the American Dream