In this particular order….
1- Love of language
2 – Internal burning desire to write, write, write….no matter what’s going on in their lives
3 – Abiding curiosity (obsession!) for the human experience
4 – Significant body of work to draw from so there’s always something in circulation — plenty of pieces to submit and re-submit when the times are tough.
What do you think? Am I missing something? It’s entirely possible!