I was once travelling through Paris on an impossibly crowded tube train with two large rucksacks (remember them, they were the things backpackers used to have before wheelie suitcases). Anyway, I had two, one on top of each other, and was hugging it like it was my lover. Then someone complains I'm taking up too much room with my bags. I said what am I meant to do, get off? She angrily told me to use smaller bags. When we all got off at Gard Du Nord, I noticed she had a dog....