[She risks the gentlest touch to his upper arm, over the blanket.] I'm not asking you to be a wall right now. This is my cabin.

[She does speak banter, but she is not in fact a Titan and does not like having messes to clean up. Now that she has living spaces of her own, she wants to keep them cozy and nice - even this borrowed living space.

and you can have plenty of fun without making a mess...]

Maybe a Ruby's fire is stronger than regular fire? We still feel the cold, but we also create much more heat than anyone else. I could try to make friends with your fireplace? It can't hurt.