The article discusses the concept of AI fatigue, where the use of AI tools to increase productivity can lead to increased exhaustion and burnout. The author, an engineer who builds AI agent infrastructure, shares their personal experience of feeling drained despite shipping more code than ever before. The article highlights the paradox that AI reduces the cost of production but increases the cost of coordination, review, and decision-making, which falls entirely on humans. This leads to a state of constant vigilance and decision fatigue.