AITA for showing up with cancellation papers after finding my fiancée's secret message?

My fiancée said the final deposit had to be paid before we had “another trust talk.” That night, her phone lit up on the kitchen counter with a message: “Once he pays, we can stop pretending.” I didn’t confront her. At the signing appointment, I showed up with cancellation papers instead of a check. ---------------🐋Whale Tales🐋--------------- #reddit #stories #redditstories