Dan John said this quote

In a group of five workouts, I tend to have one great workout, the kind of workout that makes me think in just a few weeks I could be an Olympic champion, plus maybe Mr. Olympia. Then, I have one workout that’s so awful the mere fact I continue to exist as a somewhat higher form of  life is a miracle. Finally, the other three workouts are the punch-the-clock workouts: I go in, work out, and walk out. Most people experience this.