Why were the two siblings so cooperative in making a decision concerning him? They should ask what Aslan thought first, whether he objected or not. Instead of asking, they decided one–sided.
"Ah, then I have to go back to my room because I have to return to the capital tomorrow morning. By the way, do you have any leftovers from your soup? I also want to try my sister's food."
"Of course! You can ask for it in the kitchen," said Rosie.
Howland kissed his sister on the forehead.
"After feeding Aslan, rest well. Good night," Howland said gently, making Rosie's heart warm.
Now, it was only Aslan and Rosie in the room. Rosie scooped up the S that she had returned to the bowl while talking to Howland earlier.
"Duke Aslan, you don't have to worry. If there's something you want or need, just ask me. I will help you for two weeks until you are fully recovered."