[It's true that he's shown Toge how Lumine looks like, but maybe brining her up again now would be too much. This isn't a place to feel down about things none of them have control over and Aether would like to think that this pale blue flower may be a good sign. A sign, that the twins' reunion will be sooner than later.

With that in mind he smiles, especially when Toge also approves of the flower crown.]

Thanks for the help!

[He grins.]

So how about we go and check out what else is here? I'm sure the dream world such as this has many unusual things to offer. [He gestures to the crown on Toge's head.] Like your flower crown, for instance.