W-Well... I don't wanna be shot in the head with a sword by any archer, so I won't let you down, Rin!

[ He won't and can't take guns as seriously as she says it, however. In his world, everything is a gun and everyone is way too casual about it. ]

I've just been practicing my swordplay with someone a lot, that's why... I look this way. [ And his overexertion of Aura, not to mention his inability to harness it at will, is hindering his rapid healing. That part's harder to explain, though. ]