If you know what you are doing wrong, you can at least do something about it.
Adam Ramsay-Peaty, however, appeared at a loss after his second bronze medal of the Commonwealth Games.
"Nothing makes sense this week," he told BBC Sport.
Things that once came so easily – namely, speed and winning over one or two lengths of a swimming pool – now look out of reach.
So is this the end of the road for one of Britain's greatest Olympians, or can he turn the tide in time for the Los Angeles Olympics in 2028?

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