[It's almost easier to summarize what he doesn't like, for however much intimacy is a difficult thing for him. However, Byleth has been patient and kind with him, and he has few doubts that he can relax with him.]

I... tis difficult for me to put it plainly into words. [And it's been awhile since he has been intimate.] Too rarely I have been with someone whose company I enjoyed that I could rightly relish it.

But I would want to take care of you. That most of all. So tell me what it is that you enjoy from your partners, and I will grant it gladly.