Reduce the number of times you walk.
Dress shoes that are more than ten years old begin to disintegrate as soon as you put them on. For how many years or decades? Where do you keep them when you don’t have any acid barrels on hand? Although the word “disintegration” conjures up images of an unrecognizable sludge, it was probably just pieces of hard rubber that were being torn away.
However, if the man in question didn’t want to show off his worn-out shoes, he could simply cut a rug.