For there were, by this time, degrees and gradations of public sweating, from a light varnish all the way up to a shattering, uncontrollable, and totally visible and creepy sweat. The worst thing was that one degree could lead to the next if he worried about it too much, if he was too afraid that a single sweat would get worse and tried too hard to control or avoid it. The fear of it could bring it on. He did not truly begin to suffer until he understood this fact, an understanding he came to slowly at first and then all of an awful sudden.