Meredith moans, heels pressing into his back, fighting not to just buck into it. She doesn't want to rush; she just wants more and she knows she'll get it in time. It's just that patience isn't a strong point for her, least of all with this. Besides, for reasons she hasn't had a chance to identify, she couldn't help thinking For how long? and the last thing she wants on her mind now is the idea they're running out of time. It's so much better to be aware only that she has him now.