The perception of time's increasing velocity as one ages is one of life's cruelties. At some point, when you realize that you likely have more good days behind you than before you, the brick wall appears on the horizon, and every sweetness of life seems to bring you racing towards it. At least for me. I try to savor the sweetness and not dwell on the brick wall. But when you wake up one day and your little baby is closer to 30 than 20, and your grandchild that you swear was just born a couple months ago is in the middle of his 3rd year, it's hard to ignore the increasing profile of the wall on the horizon.