To bathe a cat takes brute force, perseverance, courage of conviction - and a cat. The last ingredient is usually hardest to come by.
I may not drink an electrolyte beverage during the race. If I am running in an hour, I won't need one. But if you're running an hour-and-a-half to two hours or more, maybe you need a little bit of the electrolytes.
In Socrates' thought the two marks of individual self-consciousness appear; it is practical and it is social.