 The song details various events in the lives of a married couple and their two children, starting with the children's young childhoods, then moving through their adolescences and adulthoods.In the bridge, the narrator observes that "the only thing that stays the same is that everything changes".By the final verse, the children have grown up and moved away, the daughter is now a single grandparent, the son is on a diet to control his high cholesterol, the mother is senile (possibly Alzheimer's) and the father has died.