"..." He eyed him, turning over possibilities. Surely not a whole lot of who Barry knew was bad, and they were used to Flashes (though maybe not Bart-style-Flash), so it probably, possibly wasn't a bad idea? Besides, that touched on a touchy subject. Bart really didn't have a lot of family to rely on.
And Wally knew what that was like. When your aunt and uncle felt more family and understanding of who you were than your parents... well.
So he held the phone up, but tugged it back swiftly when Bart reached for it.