Woow! I think Berlin is a grat place. I Totally agree with your #3 point One must try to change the place if previously is not working. sometimes destiny lead you to that place where you have never think off.
So never loose hope and try your best in every aspect. I Kanika as an SM marketer in worduct.com would love to share few tips on #productivity because these days this is the biggest problem faced by many people.