Ahh, yes. Frustation, that wonderful LBS feeling that creeps in at any given moment. Amazing how it can make us do or feel things we never thought capable. I don't think I've ever said (mostly to myslef) I can't handle this anymore. Of course, I wake up every day, still "handling" it. :-)
"Achieve success, but without vanity; Achieve success, but without aggression; Achieve success, but without gain; Achieve success, but without force." Lao Tzu