Now write a letter, giving your friend some advice. Firstly, congratulations, is not every day we have an opportunity like this. I think you are a lucky man. Of course, I think you must to go, this is the best opportunity you had in your life. However, the bad side is that you´ll lose your English course, but for minimize that situation, I kwon a great personal teacher in your new city. I´ll send you in attachment his phone number and address. Well, now you have no more problems, I´m sure you´ll be very happy in this new phase of your life. Finally, if you accept my advice you can to go just for a month, for something like an “experimental moth”, and so, if you don´t like about the city, come back to here. I hope I have help. Write soon my friend.