He blinks a couple of times at her bluntness.
So she is like this all the time. If Mike ever wondered why the Bookends took such a shine to her, he doesn't know. Leos will always be drawn to Raphs, even if those Raphs are in the form of small blind girls.

Of course, Mikes are always drawn to Raphs too, for similar reasons.

"...er...define leads."