!st off, there are places inside her vagina that you need to rub with your penis when you are having sex, The front of her vagina is all muscle and there are more nerves there than any other place in her vagina. You got to start off by kissing her though, gently at first then growing stronger and stronger the longer you kiss her. Her legs and across her shoulders should be very sensitive, just blow lightly on them at first then start kissing them. Look at her arms and see if see doesn't have chill bumps on them, she should have. Have you ever had oral sex with a woman? You would need to elevate her hips by pushing her legs back toward her head, this will allow you to enter her in an upward manner and this will allow you to put greater pressure on those muscles. You should tease her with your penis until she gets really turned on. Of course this will really turn you on too and you may have an orgasm very quickly, you should be able to regain your stamina shortly so that you can do it again and again. Just keep moving in her slowly, this should allow her to stay excited and when you're ready have at her again.