Drained and tired after a day of non-stop brain work, I was feeling really exhausted. As I waited for a taxi, a fellow colleague appeared, queuing behind me. She said, "So late?" I paused as I contemplated how to answer her. I was thinking, so was she. But I could only utter a "Huh?" Told you I was tired. She went on to say, "If we're leaving when the sun is already down, it's late." Couldn't agree more with her definition. I nodded in agreement. We managed to flag down our taxis soon after. It turned out to be yet another interesting taxi journey. I recognised the driver by his voice. I was pretty sure I had taken his taxi before. When I mentioned this, the driver said enthusiastically, "Yes, I recognised you too!" With most taxi drivers, they were usually (a) the silent type, (b) ......