[That explains why Mikleo's hair is kind of that weird silver-blue. He remembers that the previous life is erased though the purity factor is new information. His eyes follow the mask for a moment before he realizes Mikleo's going to continue and he sits back, patiently waiting. Baymax can pick up on the tension in the room and Hiro's nervous about what he's about to hear.

And then...there's that. There's that and he slowly sinks down into his chair and subtly covers his mouth with his hand as he processes all of that.]

...but you were a baby. [Guess who has "needless death/needless sacrifice" issue!] That--why would a Shepherd think that's even acceptable? That's not okay! [Nope. Nope!] And that's why you're still so young for a seraph...