A smile crossed Kaede's face as he nodded once. "That's good. You've never had any trouble before, but I worry that one day I might lose a little bit of 'you' in an update." Not that he created E.v.a with any particular goal toward making her a personality. That had developed naturally with her own learning capabilities. But what would happen if she were to reset or he were to mistype a code. Another scientist might throw out the ruined project. He would never, but he couldn't help but clench his hand around a discarded metal part at the thought that he could lose something as precious as E.v.a. "Ah," he managed, trying to recover from the rare show of emotions. "But that would never happen would it. I'm hardly the kind of normal human to make mistakes!"