Kaster tilted his head at his sister, saying, "Being nice without anything in return?"
Astoria said, "Well, he did buy us burgers."
"Yeah, but what's in it for you?"
"I can't just offer to save someone's life without you thinking that I'm going to steal from him?"
Kaster shrugged.
"Well, I'm not. He's a good man and besides, then we'd be even." Astoria snapped.