"Is it really holding out if it's just something I haven't mentioned much so far?" He has, a little, if Magpie thinks about what Akira said regarding his mystery female conversation partner's hair. Or even how the way he talks about names comes together.

Maybe he wants to see if Magpie is Crow-adjacent enough to put it together himself. Maybe it just hasn't occurred to him to spell it out. Either way, the question's decently earnest.