Stewart O'nan said this quote

It was the ultimate cautionary tale, the moral being Don't fall, as if they were made of glass. In a sense they were--their fragility was irrefutable, medically proven--and yet Emily detested the inevitable rundown of accidents and tragedies, the more fortunate clucking their tongues and counting their blessings, all the while knowing it was just a matter of time. She didn't need to be reminded that she was a single misstep from disaster, especially here, without Henry, surrounded by the survivors of an earlier life.