Hey everyone!
I'm 17 years old and I'm practicing pick-up for the last year.
I'm dating this girl exclusively for the last 4 months and we are very into each other, we're connected to each other, and apart of sex, our relationship is perfect for me and as much as I know, for her either..

She's a very shy and prude virgin girl, 17 years old too, so I took it slow with her, but yet make her try very hard to make a progress during our relationship, and to increase her self-esteem and her sexuality.
Two weeks ago, as we were making out, she told me that she is ready.
I asked her if she's sure and even told her that I don't have condoms to see her reaction..
She seemed angry and told me that she WANT to do it so I agreed to do it without a condom.

It was REALY painful for her (though she wasn't bleeding at all), and after 15 minutes of hell for her, we stopped (I didn't came), and she told me that she is happy we did it.

The second time, I bought lube and condoms, and it was much easier and less painful, I even heard her moan a little, and after 10 mins she told me that she started to have pain so we kept going a little and stopped (I didn't came again, she gave me a HJ).
She told me that she was having a little bit of pleasure and I told her that we're aiming to pleasure only without the pain (it was a little bit burning to her after the sex).

The third time I tried to initiate (the third time we met that week too), she refuses and I stopped everything, I was kinda angry and wasn't paying attention for her, because I thought that at the beginning, we would have to fuck often for her to getting used to it, but afterwards I realized that it seemed like I want her just for sex so I told her that I would understand it if she wouldnt do it much at first..

WHAT SHOULD I DO IN ORDER TO GET HER USED TO IT AND TO MAKE THE SEX ENJOYFUL FOR HER?

IS IT OK FOR ME TO LET HER REFUSE TO HAVE SEX BECAUSE SHE'S A VIRGIN, OR SHOULD I DO WHAT I WOULD DO USUALLY AND DO FREEZOUTS TO HER LIKE IT'S A LMR?

Technically, she is no longer a virgin. Anyway, I don't think you should freeze her out over this, she did nothing wrong. I think you should just try to initiate again. If she accepts, great, do a lot of foreplay. If she refuses, you should try to find out why. Don't be judgmental and don't get angry with her. Maybe she's scared or insecure, and just needs some comforting and a hug. In the end, women want sex just as bad as men, it's just a matter of setting the right mood.

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One of the most useful things you will ever learn about body language.