Erica started laughing, and so did Callie, but they gave each other somewhat of an awkward look.
Callie and talk about how it doesn't seem real when approaches Callie and tells her that it will be too hard for her to decide what happens to George's organs and because in God's eyes Callie is still George's wife then Callie should decide, Callie accepts.
Callie tries to convince to tell Izzie what happened to George so she can help decide what should happen to his organs and so that she can say goodbye.