Hey this is so funny! when i was 11 yrs. young my sister got married and the first time my bro n law came for shabbos it was rosh chodesh.(I think it goes like this) and he turned to me and goes Whats the first word of yaleh v’yavoh (he is the shy type and especially then. I do not remember what I answered. Anyways It is now a family joke.