He is looking at his hand with minor discomfort about what the heck he's supposed to do with this and just sorta slaps it somewhere to the side of the mattress which he may regret later on sometime in the night, but hey.

Or I can lie and not apologize. Thorne knows what to expect from me by now. Relatively. Ish. With some mixed feelings. Easy. It was a magic accident. A combination of abilities that had explosive results. He stretches out besides Istredd. When you think about it, it's not even a lie, aside from I don't appreciate being referred to as a magic being, but in this case I'll let it slide.

He shuffles around and yanks the blanket up from under them and primarily cocoons it around himself on one side and allows Istredd to get under it if he'll suffer the extra heat for the benefit of skin contact.