If Cook seems to be suffering a chronic case of competitive fatigue before England's one-day series, which starts next week, there was at least a flash of characteristically restrained fury in his response to his team's humiliation here.
I gave my routine homily about future limits, offered what advice I could, and said goodbye, mindful of the likely fatigue he would be suffering.
Despite widespread viewer fatigue about Anzac centenary programming this year, when Anzac Day came along, people not only turned up to events in record numbers but they were very keen to watch the day as it unfolded on TV.
She knew all our names, she didn't complain about the fatigue, she said she was delighted to be here.
As usual nowadays, it had been a gruelling schedule and Mr Blair's low-key tone gave a hint of fatigue, pardonable enough even without a noon-day temperature still pushing 100F.
Across the region, there is a fatigue with the wildness and disorder such politics brings.
If you've laboured all morning successfully resisting Dairy Milk Oreo bars, you'll suffer "will fatigue" and be more likely to shout at your dog in the evening.
"If you believe that persisting in tough tasks is energising rather than depleting," he writes, "will it protect you from will fatigue?
Government health experts are backing an experimental drug intended to boost the female sex drive, but stress that it must carry safety restrictions to manage side effects including fatigue, low blood pressure and fainting.
Yet Ratmansky is showing signs of fatigue: his eyes are rimmed with red and his fingers keep massaging his temples.
It has been the tournament of fallen heroes, Wawrinka beating his compatriot and 17-slam champion Roger Federer in the quarters, with Djokovic succumbing when least expected – and refusing to blame fatigue after a semi-final of more than four hours against Andy Murray, completed the previous day.
