Decadence is a difficult word to use since it has become little more than a term of abuse applied by critics to anything they do not yet understand or which seems to differ from their moral concepts.
If the book is good, is about something that you know, and is truly written, and reading it over you see that this is so, you can let the boys yip and the noise will have that pleasant sound coyotes make on a very cold night when they are out in the snow and you are in your own cabin that you have built or paid for with your work.
The best way is always to stop when you are going good and when you know what will happen next. If you do that every day when you are writing a novel you will never be stuck. That is the most valuable thing I can tell you so try to remember it.
The coward dies a thousand deaths, the brave but one'.... (The man who first said that) was probably a coward.... He knew a great deal about cowards but nothing about the brave. The brave dies perhaps two thousand deaths if he's intelligent. He simply doesn't mention them.