A hum of smug agreement, and she goes back to-- ah? With mild confusion, she loosens her grip on the fabric to allow him full rein over them, and follows the movements, over, under, crease and fold, until she's blinking down at a neat armful of clothing.

How did that happen?

"Thanks, big brother!" And then, because her own pride has just taken a blow from how easy he made that look, she grabs another shirt. "Show me again?"