Sam's breath caught in his throat when she shifted like that and it took a lot of concentration for him to move in the right way to allow her to divest him of his shirt. Then she moved against him again and there was no hope of concentrating on anything else. He closed his eyes and let out a low groan before capturing her lips again and trailing his hands to her waist, slipping his fingers under the hem of her sweater and brushing his fingers over the skin beneath.