The worst thing about this experience is how exhausted it makes him. Because while 'asleep' it's not what anyone would call rest.

He shakes his head in answer to her. "I just need... space for now."

He turns again to leave, but pauses at the door.

"Thank you, though."

Because he is grateful, even if he can't accept what she's offering. With that he shoves his hands in his pockets and decides to wander back to his rooms.