You know where she stands from snooping. She'll see herself as weak if she stays with you at this point. Not only can you not talk her out of this, but she'll resent you if you do.
Go out and build an awesome life without her.
Me-47,XW-43 S13,S16 M:18 BD:4-23-17 W filed:7-17-17 (5 months of in-house separation hell) W moved out:1-6-18 D granted:2-15-18 Decree signed:3-29-18