This girl reminds me a lot of my last ex. She wasn't a texter either. Always left me on read and all, but I never chased and there was always fire works and steamy sex when we met up. I never asked her why she didn't text me and ignored my texts. Instead I acted like I didn't care. And then, without me asking.. one night we were laying in bed and she started saying how much she hates guys who keep texting her when she's not replying. How guys get more and more worried and feel like there is something wrong. Or how other guys try to 'punish' her for not texting by not replying themselves. There's no greater indication of being butthurt than acting like a little girl...
She was testing me by not texting. As she was testing the guys who came before me and the guys that will come after me. The trick is to not care.
This girl probably did the same thing. She has seen how guys can react when she's not texting them and doesn't want to end up with a weakling like that. So, well done on your part man
But deep down, all along you knew what to do and what not to do. You didn't need this forum