anus was on the verge of complete and utter exhaustion. There could be no doubt about it. He had experienced symptoms of this nature often enough before: gritty irritation of the eyes, fogginess of the brain, arms, and legs that felt like lead weights.
His energy reserves were definitely running low. His arms trailed listlessly by his sides, and he could only just lift his feet, each step requiring a definite, conscious effort of his mind.