“The Missing Tile syndrome is ubiquitous. If you are overweight, all you see are flat stomachs and perfect physical specimens. If you have pimples, all you see is flawless skin. Women who have difficulty getting pregnant walk around seeing only pregnant women and babies. Nor do you need to be overweight, have pimples, be balding, or want a child to believe that you have a missing tile. You can allow any real—or merely perceived—flaw to diminish your happiness.”