The poem's speaker compares themselves to an actor with "a minor role" in a play: they excel at staying out of the spotlight and keeping the action of the play going smoothly just as, in everyday life. they quietly keep things humming along without calling attention to themselves. The speaker gradually reveals that they're suffering from a serious illness (or perhaps that they're caring for someone else who is) and describes the tedium of dealing with doctors, hospitals, and intrusive questions about how they're doing. Despite the confident face they present to the world, the speaker eventually admits that everything isn't all right, after all. Nevertheless, they insist that life is precious, even when you're not the star of the show.