[Keeping her hands balled up in her lap and firmly not touching the food before her, she hopes his initial silence means he understands, and in spite of the solemn air cast over them, she can't help the tiniest, ironic smile at his words. Softly:]
Perhaps that is why I responded to your call so easily.
[She knows the detail of Servants being drawn to Masters with like dispositions. And Saber knows that she'd even hoped for the exact thing to happen this time. But she hadn't ever expected it to backfire on her in this way.
She can't allow herself to become dependent on him, on anyone else. She just has to keep moving by herself, like she's always done. A king has no choice but to be alone]