Hi Vivienne:
This is an excellent letter to self. And the passage I highlighted above is great advice.
You and I are both just starting out so I look forward to sharing the experience. If you want to stay in occasional touch, let me know and I will happily follow you back. I really enjoy reading your very interesting posts.
If this helps at all: each time I think of something topic wise, I put an entry in my notes app on my iPhone. I started doing that about a year ago. I have a list of close to 1000 ideas now. It is a nice comfort .