This is a meta-post about writing, rather than writing itself.
If you are interested in writing, you should read Stephen Pressfield’s “The War of Art” and his blog. It’s all about writing, the struggle, and the craft (including things like character development).
Today’s “Writing Wednesdays” post is about character development, and how to make ambiguous characters interesting. I think you’ll enjoy it. https://stevenpressfield.com/2019/04/a-save-the-cat-moment/