Translation of Gewahrsam

I have considered the option to bring my friends from other social networks and invite them to join here. They can develop better language skills here. I'd love to pursue that goal, but I want to write in English.
Sorry, I did not know that I have a meeting with a friend. I will talk about our trip. Many thanks for the email and I hope we write eachother again soon and next time longer letters, I promise.
Hi there again. I would love to visit you very much. I will keep that in mind for our next vacation... Your English is very good and I can't imaging that you have just learned it for two years.