I will say "You say you are doing what is best for you, well I am doing what is best for me.
Blah, blah, blah. Stop talking. Just do it. A man with no fear, acts.
On Saturday, NOT Friday you tell you have decided that this is how it is going to be; She is free to live here with ABSOLUTE RESPECT to me. Or, she is free to leave. Tell you her you will check back with her on Sunday to hear which of the two options you provided she is going to choose. Then shut up and leave. (now you have hand)
If on Sunday, she says she picks neither, start packing up her stuff.
BTW, how do you know she hasn't banged tons of guys already? Most even half decent women can find an acceptable, willing partner in 15 minutes or so down at Home Depot. I say this not to bust your chops but you gotta let that fear go. You can't stop her from doing what she is gonna do. You just can't
<cliche>you have to worry about you, you are the only one you can save</cliche>
Way too much tit for tat argument type stuff. You are in the right but stop trying to convince her of it.
Me 44 She 46 S13 D9 M18 T23 3 years DB'ing Successfully busted