Translation of Muttersprache

In this email I would like to tell you what occured to me in Italy during the summer vacation last year. So, I went to Italy for four days. First I stayed in Firenze, than I decided to go to Rome.
The information we receive by hearing other people's stories, by watching TV (which is not an objective source of information) or by listening to the local radio generates a big responsiveness in us.
The ferry took me to the island. Sitting next to me there was a local guy with two packs of beer, and he seemed pretty drunk for this hour of the day. He offered me some beer and I was polite.