"I know." He gets up then to fuss around and get more tea-time snacks for them, maybe a book or two for Charles to read while Erik goes out to stock up for his extended stay. He's allowed to stay in Erik's room as long as he likes; Erik built most of the house so he doesn't feel unwelcome in Charles's room.

He supposes now it's his house more than it's Charles's house, despite the obvious.

"And you're welcome." He means it.