My mind is never blank, Ser Jaime. I just have the ability to temporarily blank it for the purposes of completing these webs. It's not really different than the rote repetition one needs in needlework.

( Sansa gives him a little smile, just the barest upturn of her lips before she sets it in more neutral lines. )

I cannot imagine Lord Tywin felt the need for you to have an embroidery tutor at Casterly Rock, did he?