She seemed perfect to you, and even during her first attack of vertigo, which you happened to witness when you were six (the two of you climbing up the inner staircase of the Statue of Liberty), you were not alarmed, because she was a good and conscientious mother, and she managed to hide her fear from you by turning the descent into a game: sitting on the stairs together and going down one step at a time, asses on the rungs, laughing all the way to the bottom.