[The joke about being a literal blue-blood is unexpected in this world so lacking in titles and bloodlines (except for esoteric Pthumerian ones), and Paul's laughter at it is just a little nostalgic.]

There's always something comforting about knowing you're making your mother happy.

[He actually means it, even though he says it lightly.]

I wish there was a way for us to travel between worlds from here. I can't imagine what a world like yours would be like, either.