2. Painting flat white over flat white in a hallway lit only by fluorescent overheads is hard work, because it's hard to see where you've been.
3. Painting is kind of fun in the areas that are really scuffed or filthy, because you can see where you've been and watch things look better.
4. Painting is dangerous, because as each wall gets painted, the ones nearby look even worse. (This is in the public hallway outside our suite of offices. We are not going to paint all the hallways. Really.)
5. I forget.