With all due respect Beachbootyman:-/, but You are using a bad sexual position:-P! I understand than You want to make a good porn video:-), but You should put her in cowgirl position and She does the rest;-)! For example look this video:-D! http://www.xhamster.com/movies/416840/happy_birthday_ride.html
I know the feeling, my missus is the same, it gets old and just cut my sex drive to nothing and she wonders why im not confident in her when it comes to sex.