The renovations to our new home continue. We didn’t expect to be refinishing the floor. But when we tore up the flooring that was buckling and warping in the summer humidity, we discovered the original parquet, spattered with paint, underneath. A man named Michael showed up with the biggest floor sander I have ever seen, looked disapprovingly at the paint sprayed all over the parquet, and declared that it should sand clean without a problem. My husband, Peter, told Michael he was retired, and Michael told us he was retired as well. “What did you used to do?” I asked. “Sand floors!” he said,