This is your girlfriend's first time. First of all, this place must be very luxurious and quiet. It's best to let your girlfriend take a bath, put on a set of sexy underwear and lie in bed before going to bed at night. In order to improve her sexual desire, you can put a soft pillow under her. You need to caress her body on her, such as kissing her breasts, sucking her breasts and touching the inside of her thighs. A white transparent liquid. When the underwear is soaked, you can take off her underwear and insert your penis into it. In order to better maintain your orgasm, you can force her to meet any sexual requirements at this time. When you have another orgasm, you can continue to shoot inside. If necessary, you can turn her over and have all the sex with her, because this is the first time, if you observe her during sex. If her body can't stand it, she must stop at once. If she doesn't have any special reaction, then you can enjoy it ... try not to exceed 45 minutes. After doing it, be sure to remind your girlfriend to take emergency contraception within 72 hours and pay attention to hygiene afterwards. Don't be infected by bacteria.