Looking at a book and knowing you will read it someday but it just isn't the right time. - I have to read a book at the "right" time, so I always have at least 15 different books to choose from when picking the next one.
Sometimes you stop in life and think that you can't do something. But actually, you can. Trust that. Go for it. It's worth it. Do what you need to. It's worth it in the end. As I aim for that Senior Developer position