If you are destined to become a writer, you can't help it. If you can help it, you aren't destined to become a writer. The frustrations and disappointments, not even to mention the unspeakable loneliness, are too unbearable for anyone who doesn't have a deep sense of being unable to avoid writing.
Success is the inner satisfaction and peace of mind that come from knowing I did the best I was capable of doing for the group.