"I'm glad," Karla said with a nod, and then paused. "You think he'll be useful, too, right? I mean, you aren't just bringing him for his benefit. Not that I think you'd bring him along just to have a live-in lover, obviously you think he'll be useful, I just want..." She made another frustrated face, usually she was much better at speaking than this. "...I guess I just want to know that you're not bringing him along just for his benefit. That you're doing it for both of you."