Penny: Aw, the people's pajamas have little horses on them, and the horses' have little people.
Leonard: It's just his chance to brag about how great his life is.
Penny: Oh, come on, it's nice. You know that nonprofit he works with? They built a hospital in Rwanda.
Leonard: (mocking tone) Look at me. I built a hospital in Rwanda.
Penny: That is a good point. I hadn't thought of it that way.