when he lifted his head he whispered , `` all right , they can come into the light . '' colin rubbed a shaking hand over his face . but the skill seemed to come naturally to him , and when lives were on the line , it was a handy skill to have . `` you do n't look so hard to kill . '' `` oh ... why , of course i will see you to the shop . they 're thin and they 're light so there 's not much weight behind the punch . 