Translation of Selbstbefriedigung

Some of the disadvantages are the coldness, darkness and the fact that the days are a lot shorter then as in the summer. First let me tell you what I do not like about the winter. It is the following.
They wanted to know everything about relationships in Switzerland. One of the asked me of how guys propose friendships to girls. I did not know what she meant and explained that we were very informal.
You may have seen our Language-School book section where we have descriptions of over 120 language schools world wide. Do you have a program for foreign students? If so, it may be very interesting.