[Wait until Saber sees how these two interact. She might give up on the idea in no time flat.

Because...well, they're argumentative and she's a cruel little creeper.]

What's offered in the whole of the house is for everyone. What you have is your current hoard of food.

[Where is...ah, there's a glass. Without a word, she fills it, and comes back, offering it to Saber.]

And once that is done, you may move on to another.