Noctis looks uncomfortable for a long moment, but it's undeniable that she hit the nail on the head, there. With most people, he'd be worried about the weirdness factor of it, but with all she's experienced, that's not really a concern. Still, his tone is awkward as he responds, "A lot happened... we finally found the crystal, and it, um. It ate me."

It was a little more refined and magical than that, but it sure felt like he was being eaten, so it fits.