Glad you are getting those thought processes back together a little more, tough to do when you are ill! Pride and overconfidence are not a good thing, but it sounds like she has some other mental disorder on top of everything. You can be reckless when you're young and even cocky, but with age you tend to learn that you don't know everything. Once you're no longer running here social media she will quickly fall back down and be earning much less money. At that point expect a few phone calls begging for your return...
Take care of yourself, and I'm glad you're getting stronger!