Navigating relationships with the in-laws is one of the challenging aspects of committing to share your life with another human. Especially when those in-laws cross your boundaries which, according to the internet, happens with alarming frequency.
She explains that she caught her husband's mom, during a visit to their house, entering her bedroom and going through her stuff.
For some weird reason my MIL really wants to go into our bedroom whenever she comes over. On one occasion I followed her as she went upstairs (i was going to get something for my child as the bedrooms are upstairs) and she walked past the bathroom on the main floor and up the stairs behind it. She didn’t hear me and I caught her walking straight into my room and rifling through bills on my dresser.
The mother-in-law denied it, even though she was caught red-handed.