And Prompto, at that point, knew that there really wasn't much else he could (or should, really) do, but step back a little and give them the space for this moment, while his head reeled with what was going on here. A little tight clench in his chest for what this was going to do to Liz or mean for her, and a small shake of his head as he tried to piece together exactly what aspect of Fandom it was that would have Liz's little brother showing up at their doorstep.