And you know I can tell that you like it and that it's good by the way that you move.

Her writhing and wriggling, her squirming and shifting, her twisting and twitching—they're all clear indications to him that he's satisfying her. You hear about it a lot in movies and television shows that girls often force their moans and even fake their orgasms to let their guys believe that they're "good" in bed. However, how often do you hear about girls moving around certain ways for the same purpose? If a girl is consistently, uncontrollably and seemingly involuntarily making any of the aforementioned movements, she's definitely being satisfied.