I think your [0] note points to a hard truth of life. You have to be aware of how you're used to thinking so you can challenge yourself to make your brain work in new ways. I don't think this is by any means essential but I think it can be immensely useful to not always default to the same habit. 80% of the time, it's ok to exploit what you know, but maybe that remaining 20% of the time try thinking in a new way. The hard part is finding those new ways and not being too lazy or rushed to skip it.