Well, he and Yang had sort of a running thing going on already, but Prompto wasn't so inept as to go and mention that just as things were starting to finally turn back around. Buf if she was leaving after she graduated...

"I'm sure we'll figure something out," he allowed, his grin gaining a little more warmth and a whole lot of relief. "But figuring out lunch first sounds good. I mean, if you'd still want to..."