If you think carefully, spending time with yourself and so many PhD's articles in the world is a great way to find (or confuse) yourself: find out what you can do, what you would like to do, what you are good at doing, where you are heading to ..
You thought it was getting close to the end of the program. When you study the map and look around, you realize it is even farther than you expect. You thought you knew who you are, in fact, you don't. The more you spend time with yourself, the more you see the concept of self being vague.
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I spent almost the whole morning categorizing the articles I collected. I was proud of myself that I found so many great articles. At the same time, I could see how small I am when reading these great research findings written in perfect English. I just started to wonder ... never doubt .. just wonder ... my way in and out...