Here is something that you girls should push it into your brains, so that next time you don't blame a bloke for not being persistent.
For a guy: SEX first, COMMITMENT later.
You wana keep him as your boyfriend, suck him until he comes, be wild in bed and make him want you though sex.
And stop annoying guys about the idea of: Personality vs Body/Sex. No guys in the world, with his full self-respect, can comprehend a separation of those two things. Immature girls always want to hold it back to lure guys into relationship, which is her term. That is not fair, uncool.
For guys: When a girl refuses to give you sex, DROP her immediately. These chicks aren't cool to be with, and when you come to bed with her, I swear to you that it's like having sex with your little sister. Nothing new, nothing fun, nothing exciting to wait for. Go for another girl who truly appreciates you as a man.
These kind of chics never understand the difference between a sexual and platonic relationship, they will squeeze you your time, your investment for NOTHING in return. Remember that it's you who GIVE her sex, not the other ways around. Only with your dicks that girls can achieve what a woman wants to achieve. And the more power you have, the more kinky you become about what type of broads you want in your life.
My suggestion: Go on 3 dates, don't talk about sex. Assuming that it's gonna happen, be fun, be flirty, be very sexual by using sexual innuendos and touches. If she ever refuses you, ever, step back one step, then relaunch your attempt. By the 3 date, nothing happens? Enough, move to the next girl.
Ideally, you should meet and schedule at least 3-5 girls so that you have a wider options when one fail your test.
Guys, don't even text or call her, no "hi" or "hello" AT ALL.
Remember: Your attraction has an expiry date, a girl you meet isn't the only pussy the world that ever exists. There are plenty who will be happy to please you guys.