When the exhaustion shows up on a Sunday evening, most of us do something specific with it. We turn it into evidence. Evidence that we're lazy. That we're not disciplined enough. That we should've gone to the gym. That other people are handling their lives better than we are. That something is fundamentally wrong with us. That move — the move from I'm tired to there's something wrong with me — is the real damage. The tiredness alone isn't the problem. The tiredness plus the