Translation of proliferation in German

A little latter we came back to our home and Leonard offered me to take me around the city with his motorbike. I could not refuse although I am a little scared by these vehicles, as they are dangerous.
In my next message to you I want to write everything in German. Than I will rewrite it in English and we can compare the output. This way you see the text in your mother tongue and in a foreign language.
We left at Kowloon, where we were looking for our place at night. It was difficult to find the address of the accommodation so we took a cab. We finally got to the YMCA, which cost around 200 dollars.