[It's definitely an odd and attention-grabbing explanation, but Kaoru's also reluctant to tread over any topic that may be too personal. Starting out somewhat neutral, then:]

Fragmented...? Ah, but you look so young. [Like this punk isn't used to immortals, quasi-immortals, or people with stupidly extended lifespans... Kaoru falls into the category too, despite still being very young.]

May I ask, then - are you not human? There's such a wide variety of people here, after all...