we arrived back in berlin this sunday after a tumultuous day of travel.  our flight from paris was only and hour and a half, but alex had just developed a 24-hr stomach flu the night before so it was the worst possible time for the poor guy to get up and put a huge backpack on.  i half expected him to want to cancel the flight but he didn’t even think about it– he just pressed on and i’m really proud of him for that.  it was NOT easy. i didn’t get that OH i’m in berlin!!! feeling that i always get.  instead i felt as if i was just coming home,…