because Bobbie understood a little bit the thoughts that were making Mother so quiet—the thoughts of the time when Mother was a little girl and was all the world to HER mother. It seems so easy and natural to run to Mother when one is in trouble. Bobbie understood a little how people do not leave off running to their mothers when they are in trouble even when they are grown up, and she thought she knew a little what it must be to be sad, and have no mother to run to any more.