[He blinks, thrown by the comment for a moment almost about to ask where that came from, until he realizes what his staring has been misconstrued as, and- Oh. No no no.]
What? No, Shiro... [Ffffff. He can't help flushing a little, feeling caught and at the same time bad that his intention quite what Shiro assumed. Sighs a little, his tone a little quieter.] Sorry. Your scars don't bother me, I - it's not like I'd have any room to talk.
[His may not be as much as Shiro's, but there's plenty of faded marks on Keith as well - the one on his shoulder most noticeable but his side, his back, too, so.] It's okay.