"I-it's all right," he assures once again. It's not like he can reasonably blame her if it was just her thoughts running wild, or if it were, somehow, his thoughts running wild.

So, that's probably what's going on with him, if that's what going on with her...? That's a lot of 'if's, but boy oh boy does he feel even more awful at the notion of catching wind of someone else's memories of a clearly terrifying and vulnerable moment.

"You don't have to apologize, it was just... a daydream that went out of control, right?"

No harm in letting her continue to think that's all it was...! Probably!