Monotony collapses time; novelty unfolds it. You can exercise daily and eat healthily and live a long life, while experiencing a short one. If you spend your life sitting in a cubicle and passing papers, one day is bound to blend unmemorably into the next - and disappear.
I've been very lucky. I wanted to be an actress, but I didn't really have the drive to sell myself. Fortunately I had a terrific agent in New York who kept me going from job to job.