I loved every seconds of it. I loved China, I came to like Chinese. The student life was incredible, every time I met people, they were trying to solve interesting problems. They had curious mind and spent their free time exploring some more.
Then I had to start research. And I quickly realized what I already knew. I love learning, I am pretty good at quickly grasping what is important (generally useful) in a specific domain. I like to draw analogies between unrelated concepts.
But I am not good/resilient to relentlessly attack a single problem from every possible angles.
So I dropped out.
I wish I could live in China now. But I am happy I am not doing research anymore.