"Sounds like I've got a mind...?" Hey, I'm the one who brought this up in the first place...

[ She repeats back, sounding just slightly offended. Not enough for her to go into petty mode, however. ]

Obviously, they're useful! If it were me, I wouldn't want to fight if I couldn't see well, or if my reaction time was bad. Anyone could figure that out! That's why I'm trying to come up with something similar.