Youre not going to be able to keep up an act indefinately, so there comes a point where you have to just be you. This doesnt mean you have to be the old afc you, you can still be interesting without always having to come up with new material to keep her interested.
Like wolf said, a good supply of orgasms always keeps a girl interested, and most of the time they will bring up a relationship. Theres no need for ou to do it and by her coming to you, you keep that image you have going intact.
Read this link and apply it to your everyday life, its the best post ive read on how to apply game to your everyday life without constantly running lines on a girl.
http://www.theattractionforums.com/best ... nance.html