"Let you?" That startled K enough to pull back and look the other AI straight in the eye, brows raised high up her forehead. "D'you... you were there, right? Fa, you saved my tail and my sanity in ways I'm sure I'm not even aware of yet." Maybe it was a bit sardonic, but that was out of surprise and for emphasis. "I'm god damned ashamed of myself that I hadn't come to you sooner."