The room Petra offers is perfect for someone thats needs a place to sleep/shelter, no matter how it is long or short-term. What I mean by that is, if you plan on staying for long periods in the flat during the day, then it may not be ideal, but if you will be in Berlin for traveling/working/studying it is a perfect place to stay (I stayed for two weeks while I had my exams and in the past, you had persons living there because of their job). You will be sharing the flat with nice people (normally) and there is indeed not much of intimacy, but because of this proximity, people are understanding of each other’s personal space and habits. Petra is a very human host, you can ask her whatever tips you want during your stay. The flat is very well situated, more precisely at the heart of Prenzlauer Berg district, which means beautiful restaurants of all cultures, a good amount with vegan options and the beautiful Mauerpark if you fancy a walk.