[ A dream, is it? It also sounds like quite the key and loaded term, though the definition is easily understandable when given. ]

As a journey is expected to be, it sounds quite involved. But in some ways beyond perhaps what I can imagine - particularly, "silver rails across the stars".

[ As she laughs, Dainsleif's expression remains the same, despite his curiosity. People are odd in various ways, and their personal connections can be unfathomable to strangers. When she does mention keeping an eye on 'Evey', it does remind him of small familiars who could be tended towards such things. ]

I also presume by "trouble" perhaps it is to keep it from causing a type of prank of some sort?