May the bubble never burst...

May the bubble never burst...every time I utter those words, I laugh aloud. The first time I heard the phrase was on a shopping trip with a good friend. It had been a particularly good day, with many great "deals", and we were marvelling at our luck. Then, my friend happily sang out those words. Apparently, it is a "warning" phrase her mother extols whenever she feels her daughter might be