I have learnt that in life one of the things you do all the time and you keep doing "non-stop" is precisely that: learning.
A long time ago I had to learn how to talk, how to walk, then how to ride a bike, how to swim,... some time ago I learnt music, I studied many things (from economics to geology and physics). Then I learnt how to change my body and by that means also your mind. Working out almost everyday you also learn about sacrifice, about pain and gain, etc.
Since I arrived to London I have improved my English undoubtedly, but I think I've improved something even more necessary in life as a results of all the events that have occured during the past eleven months:
