Translation of brainstorm in German

Sometimes you forget one word and this makes the entire sentence sound differently. That means that you need to read each email before sending it twice at least if you want to be on the safe side every time.
I was born in 1967 in Zurich, Switzerland. It is a small city, but not as small as Basel or Geneva. I grew up in a suburb of Zurich. When I was 12, I moved with my parents to Spain.
If you're still interested in our agreement, I will be glad to continue to correct your letters and essays. Write it in English, if you do not know a particular word and I'll translate it.