Makes for an interesting read, as this may apply to anyone of us.
https://www.thefinalwhistle.org/articles/the-importance-of-fitness-in-modern-refereeing?fbclid=IwAR0DJjygABcMvsxjltSDEksPqlHwDPnu44MX_Rme8iBg3khU6_SNenR13f8