A tease of impression. Not enough, but welcomed all the same.

Uncertain when he will have Daniel again, be able to demand his presence and attention. Louis is investigating, but he has no real illusions about chasing down missing pieces of his memory being enough to hold interest. Daniel says other stuff and a question forms in Louis' mind, set aside so Louis can ask:

Of anything in particular? is a little teasing, a little curious.

Louis is well aware of the things he should be careful of. And maybe that's all it is.