Megan speaks to her younger brother as she watches him grow into an athlete, and the poem moves between that present moment and their shared childhood. Seeing him play and sweat after practice brings back memories of exploring tall crops together and playing ring around the rosy. One memory is darker: during that game she threw him into a plaster wall, and he ended up in the emergency room with staples in his head.
The speaker feels a mix of tenderness, guilt, and pride. She admits she can no longer hold him back, and she accepts that he must choose his own path, which the image of a boat set sail in the wind captures well. Yet the old accident still lingers, since she was the protective sibling who accidentally hurt him. The mood is nostalgic and gently bittersweet. It ends with reassurance: even as he becomes independent, she will always be there when he needs someone to talk to.