"Fair enough! Who knows why magically things happen anyway? I think that's there for us to figure out!"

It was an honest answer, and one Luz was familiar with. After all, it wasn't like she understood everything about the Titan herself. She wished she did, but well. That was complicated.

Granted, it might also be likely that Bruno DID understand why Casita did what it did and was keeping that to himself. It was a pretty private question.