People, Bill knows his thing! That's how I always saw it go and it's how it goes most of the time.
However, there seem to be exceptions.
I sent the very long message. She didn't answer. Went out with friends and she called me at 12 30. I didn't pick up. In the long text I had told her we were going back to the karaoke tonight. Turns out she was there, waiting for me. Hung out with her and a male friend who was totally cool with the whole thing. Was very hard to Kino, but I did what I could (rubbing legs, touching her arm, her hands when I could). I had to go to a pub and she wouldn't be able to get in (she's 19) so I told her to go to the back with some lame excuse. K-closed her and I'll schedule something for Sunday. Note the name SUNDAY, not Valentine's.
It's to be noted that before this, all the contact we had was eye contact, I asked her to sing a song with me and she agreed, and after an hour (apart, we weren't even on the same table and we didn't get to sing) she came to my table to say bye and I told her "You're giving me your nomber and we're coming back here together". And, besides that, the text I sent her. I guess it's all just calibration and choosing your words correctly. But around 2 of every 3 times, what Bill said works best.