Please check my letter

Dear Julia,
Thank you for the letter. It was great to hear from you again after a long time. I am sorry i have not been in touch for a while. But I have been busy with studying for the past two months. I really should have written sooner.
I think that international youth camp is a good idea. I have read somewhere that international youth camp is excellent for your health because you will move too much in the open air. And i know that you've been sick a lot this year and that international youth camp will improve your health. I believe that you will meet wonderful people who are very kind and outgoing.
I would to ask you why did you want to go to an international youth camp? Is that youth camp in your or other county?
In your letter you ask me about my own plans for the summer. Summer is my favourite season, of course, because the weather is great and I don’t have to go to school. I would like to spend the second summer month in the Norway, at my grandparents. I miss them so much. We shall go fishing, sunbathing and swimming. As for August, I would like to stay in the city and spend the time with my friends walking around, going to the cinema and playing computer games.
If you want to know anything else, just drop me a line. Hope to hear from you soon.
Take care,
Mishel.