[Byleth pulled back slightly at hearing the slight pause, blinking up at him innocently. He was about to ask if he had said something wrong when Dimitri continued, and Byleth just brushed it off as him being surprised at his blunt question.]

I'm glad. In all honesty, I enjoyed our closeness in the snow cave and... wish to resume that in bed. I felt very warm and comforted beside you.

[Also, Byleth was tired, and snuggling up close to Dimitri sounded like the best thing to do right now.]