Unfortunately, one thing Duncan had inherited from his father was ticklishness. He managed to do a fair amount of hair-mussing before he had to retreat and go on the defensive, but gaah, fingers, tickling! His arms jerked back as he tried simultaneously to block her access to his ribs by putting his elbows in the way, and to grab her hands again to make her stop, making rather ridiculous half-laughing half-indignant sounds all the while.