Fresh Water Cooling Why Is The Warm, Slightly Soapy Water In The Bathtub After A Shower Better Than The Cool, Fresh Water....?

Why is the warm, slightly soapy water in the bathtub after a shower better than the cool, fresh water....? - fresh water cooling

I have in the bowl? According to my cats. It's something that I do not understand how a man can be. But the three of them prefer to go to the toilet and drink water, drink in a clean container. EW.