Callie raised an eyebrow at his answer. His answer sounded ludicrous, and she can see that he knows it. She sighed and she told him, "You are going to have to be much more honest than that when the others come back. But I get it if you don't want to talk about it," 

She knew the topic was important to learn, but she shouldn't press it. She figured that Freya might be able to get an answer out from him. 

Sighing, Callie decided to pull up a chair as she and the boy waited for Bruenor, Guy, and Freya to come back. She asked the boy, trying to make friendly small talk despite her quiet and reserved nature, "So....what's your name?"