I'm definitely new here so I don't even know if you can trust my advice. What I would do at this point is ground yourself. Some deep breathing techniques and work on calming your emotions due to the loss of control (contact with OW). Your W is still with you right? Show her you're the better option. Calm those emotions that turn you into a train wreck and show confidence. Perhaps re-establish a boundary of no contact with OW tomorrow after today goes well?
Whenever in doubt, I go back to Sandi2's 37 rules, but it always helps to hear you're doing the right thing.
