[The lean and the delivery are things he didn't see coming. Its not a flinch, just a lean. Enough to sting.]

I didn't say you're useless! And it's only right now! Did you even listen? Probably just-just one day kind of bullshit. We don't need no doctor or big ol' fuss about it.

[Okay he lied about talking low.]

Why in the flying fuck do you think you're useless?