[The biting retort cuts through her like a blade, and stings just as much-- because of how right he is. She's becoming emotional and investing too much in something-- someone-- that will certainly come to an end the moment a better arrangement or a way out shows itself to her. If she could only ignore the troubles of others and focus on her own needs... she would surely have the Grail by now]
[It's a long, heavy minute before her reply comes, and her tone is low but as hard as before]
You are correct; it is only for my own gain that I serve you. I have said more than I have any right to. [She slides noiselessly off the bed, the shifting of the mattress due to the absence of her small weight being the only indication she's done so, and her bare feet patter against the floor as she heads to the door]