Hello, this is a tough one I think. All help would be greatly appreciated.
Sorry if my English is a little bad, I'm from Belgium.
I am very good friends with a girl. She was once, for only a month my girlfriend. We separated then because she was a slut (may sound harsh, but at that time she really was) and probably because I was unsure and shy. After that we once had sex again (after one year or so). Until she got married (two years ago. I am now 25 btw and she too) there was still some attraction, like naughty dancing, touching, but not much more. But we stayed friends, and now, seven years later from the first time I met her we can still really count on each other other. While I am still aching for more, I was whole the time in fact.
Since a month she has become sexually hungry again, and she is cheating on her husband and says literally she wants loads of sex with men. She changes her clothes when I'm with her, let me touch her ass to show how much weight she lost, but I may not come any closer. If I try something more she rejects it.
And yes, I try it in very subtle, pua ways, like talking a lot about sex, trying to warm her up in different ways, but it doesn't work.
Even if I critic her behaviour, she is so incredibly hot that it doesn't matters to me.
She says I'm not her type and it would damage our relationship if there would happen anything more.
In the past I was a bad , unexpienced lover, but now this has changed totally. I would like to show her what I've learned
Anyway, or there has to be sex, or she should keep her seducing behavior for herself. Right now I still want to go for the first thing.
Thanks for reading and any advice.
Still most girls appreciate my talk, luckily, but I've got difficulties to close. Main thing now is I got keep on working on my inner game I guess. 
