Allow me to help you correct your question :-) For you, what is it that makes you want to learn English? Erm....I am English so..... But the reason I learned Chinese was because I have been interested in Chinese culture ever since I saw my first Bruce Lee movie :-P The reason I am learning Japanese now is because I have also become interested in Japanese culture as I studied two Japanese martial arts (Aikido and Ninjitsu) until I was 21.

simple answer so that some people won't think your a speaking apes. english is mostly recognized than other langauge for conversation outside world.