[It's not about what they prefer, but what's better for them! For shame.]

Huh? [Even now, Kaname hadn't considered anything like that, so him bringing it up catches her by surprise. She looks at him as she tries to figure out how to answer.]

Well, um, back where I live, space travel like this is commonplace, so I don't think directly answering that question will make much of a difference. I was born on one planet, moved to another, lived on a ship, settled on another planet, and my work has me traveling a lot.