Thea is quiet and shy, and very focused on her running. She thinks Callie is one of the coolest girls at Little Aths, and would love to be friends. She is hurt when Callie doesn’t invite her to her slumber party. Why doesn’t Callie want to be friends?
Callie is loud and confident and has lots of friends at Little Aths. But she feels noisy and silly around Thea. Thea is such a star, and calmly wins everything! Callie knows that Thea wouldn’t be interested in coming to her slumber party, so doesn’t invite her.