You should not expect her to agree to this so young in age and certainly she and you should be over the age of consent in your state or country before you get down to love making. In the time until you reach that age try getting to know and respect her so that she may get to like you. Sex without love is meaningless, degrading and cheap.
It might be that he doesn't loves you..............
You court her friendship, then her love, and then you ask.
You can't "make" anyone fall in love with you.
By all means. But if she doesn't like it, be respectful. I agree i love it when my girlfriend lets me squeeze her bubble butt i love women with big round butts that's the way they shgould be
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Girlfriend how to make her love more
to make up with your girlfriend you need to tell her that you love her and take her out to eat and give her a french kiss!
Make your girlfriend feel special but only if you love her in want her for her not for any other reason.
be yourself and if she don't love you there is a problem if you tell her you love her and still nothing there is no relationship
because she is in love with you!
You need to meet him and impress him and make him fall in love with you.
You make love when you and your girlfriend get horny take each others clothes off kiss and then do what ever else you's want to do ;-)