[There's still a lingering fear in Yusuke's mind that he might not even see Kaiba in five years' time. Or one years' time, or ever again. But he respects Kaiba and his need to do things at his own pace -- especially after all he's said about his upbringing. Yusuke acting on impulses isn't helpful in that regard.]

A-all right. I'm sorry for speaking out of line.

[He ducks his head politely, and lets go of Kaiba's hand. It's probably best if he puts a little distance between them, literally and otherwise.]

... I should go.