<head></head><body>Wow, sometimes, in general, it feels like what you gradually and slowly learn is not a big deal, and it even feels like that you hardly learn something at all unless you turn back your stubborn head. Then you find out that you've taken forward a good number of steps already. I think it feels so when you stick to the lessons and keep repeating each of them as long as you don't understand until the process of each steps becomes your second nature. 
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