The development of language is part of the development of the personality, for words are the natural means of expressing thoughts and establishing understanding between people.
The act of smelling something, anything, is remarkably like the act of thinking. Immediately at the moment of perception, you can feel the mind going to work, sending the odor around from place to place, setting off complex repertories through the brain, polling one center after another for signs of re recognition, for old memories and old connection.
More people have more access to more readers for less money than ever before in history. It means a lot of dross but it means a lot of very talented people can find and nurture a readership in ways that were not possible twenty years ago. From a creative perspective, that is all that writing is about.