[ Being called basically a stick in the mud is yes, annoying, but ultimately not something that terribly offends or bothers him; mostly because he makes true concerted effort to not care what the people around him think of him. Or, rather, if this person makes an assessment of him, he doesn't feel pressure to disprove it or deny it. It's fine if he's thought of as boring (for now)... His nose wrinkles, keeping his gaze hard and firmly forward. ]

That's classified, [ Which he's sure is about to garner him more boring points. ] But she's no more than a few months old. That's all I can tell you.

[ Yes, a literal infant. Kurapika has put together thus far that people here inexplicably come from entirely different worlds, so even though he'd typically not whisper a peep about his young liege to anyone, he figures it's pretty safe if everyone else on the train won't even know the context. ]

I don't sense her in this car, but that doesn't mean she isn't on the train.

[ He decides to test the waters by lightly mentioning such an ability— to sense others— looking at the other man from the corner of his eye. ]

If you have the means to look further than we are currently, then, by all means.