Doubts, I had them every minute of every day all through advanced flight training. But then, my instructor had a real knack of making me feel s**t.
But once you get through all the training you eventually come to a point where you wonder why you started. By that point you are normally called CAPTAIN.
Is it my imagination or do all modern businesses suck the fun out of your job?
Harry
p.s. stick with it, you have come this far.