She bursts into laughter at his nonsensical response, loud enough that the employee behind the counter glances over, but only to smile at the sight of their customers having a nice time.

The list of diseases he recites is a morbid reminder of his longevity, tempered by the compliment he gives her when he releases her hands. "Thanks." She smiles back, also briefly. Diseases are serious business, despite her professional fascination with them. "It's an infection of the membranes lining the brain and spinal cord. It starts out as a headache, with a stiff neck an fever. People mistake it for the flu or a migraine, and end up dying in their sleep." She wonders at the distant look on his face. Is it memories or something else? "It sounds terrifying," she agrees softly before shaking her head. "We have vaccines, and clean water. That takes care of most diseases that would spread rapidly through the fleet." She shifts awkwardly in her seat and adds, "Some of those diseases... they're on my ship. For research purposes... they think maybe Caspar was going to unleash one of them, but he didn't get the chance."