Someone who wants to write should make an effort to write a little something every day. Writing in this sense is the same as athletes who practice a sport every day to keep their skills honed.
As an undergraduate, I had an opportunity to go on a number of archeological digs. So I had experience excavating, digging up remains of ancient Indian villages in the Midwest and in the Southwest.
Courage is the greatest of all virtues, because if you haven't courage, you may not have an opportunity to use any of the others.

