Wow, you guys lost your virginity to each other? That is a big deal to a woman. Men....well, let's just say that they don't seem to attach a lot of the same importance or sentimentality to the sexual experience.
But, I digress. Stop apologizing to her for your infidelity. It is now her problem if she can't get over it.
Stop pursuing your w. You come here for advice and you refuse to take it. You are following her around like a little puppy and she is really digging that. Why? Because it gives her a lot of power over you. STOP IT!!
Stop talking to her. Stop texting her about where you are and what you are doing. I'm not kidding. You can see how it is only making things worse.
If she asks you anything, just give short, bare minimum answers. Do not engage in any sort of conversation with her. Make her work at it for a change.
And the next time she demands that you move out, just tell her NO! That is not up for discussion, you are staying put, that is that, end of story. And then SHUT UP!!
I don't care how pissed she gets and you shouldn't either.
Also, toss the DB book and read DR instead. The DB book is practically worthless once people seek out this site. Way to late for the DB book.