I would say the text messages must be a 180 if she is commenting on them that much & has them memorized... they have caught her attention.
She's testing you.. she's watching you...looking for 'old antlers'..
She's pushing your buttons...seeing what you will do... what will be your choice?
I agree with Coach on the niece.. what could be possibly remotely be construed as 'controlling' from your end?
Clear it up with the niece ASAP, validate her feelings of "she feels I get mad at her if she talks to my kids mom..."
.. show your empathy & changes to bothbecuase obviously what is shared with the niece makes it back to the StBXW
You can handle this. Bridge
I really am different about things than I was all the years we were together. She said in the past my changes were too late...she said she cared about me, but I'd already pushed her over the edge before I started making changes.
"Always go straight forward, and if you meet the devil, cut him in two and go between the pieces." - William Sturgis, clipper ship captain, 1830's.