[He frowns at that, confused again.]

Not really… I've had to keep a lot of secrets over the years. I can't even count the number of times I had to give Prompto some vague reason for bailing on him because of state secrets or whatever. Everyone has stuff they can't or don't want to have broadcast out of their control.

[This is hardly the first time that a secret had lay between them- it's just among the first that he's been upfront about keeping, as far as he can recall.]