A few days ago, I was singing “Happy Birthday” for the third time to my granddaughter in the kitchen of her parent’s newer home. It was a festive morning, and cake was served before lunch. After taking the first bite of the delicious cake my daughter had made, I was thinking this is a brilliant new trend many should consider! But then I noticed, right behind and below my granddaughter, a section of grout in the tile floor that was defective. A significant amount of grout was missing from the joint. I soon discovered no fewer than 20 other random places in the tile floor throughout the house where grout was degrading. Days after my granddaughter was born, I was installing the cast-iron drain pipes in the house. Eighteen months later it was move-in day. I was not the builder on the project, but I did install all the plumbing, …