AITA for hiding embarrassing notes in my house as a joke because I know my fiance's mom snoops?
I bought a house seven years ago and I met my fiance, Al, four years ago This year he moved in. We're talking about making it a home for both of us. But as of now, he hasn't moved much stuff in, right now 95% of the stuff and furniture in the house is mine. When his mom comes over, she's kind of a snoop. He was used to that, but when she comes to our house, it's so uncomfortable because she's just going through my shit. When I am bothered, she's like "I was just helping with chores" etc. He says I should just let her because she has "a lot of nervous energy" One thing she snooped on was actually embarrassing. In my home office, I had a little "affirmation" post it note on my monitor saying "I am smart, I am skilled, I am deserving of great things" It was a silly thing my therapist recommended to get me in a confident mindset before an interview. Anyway, she made a comment to about my ego... But as a joke, I decided to do it again. I had my best friend over and we got wine drunk and wrote a bunch of "affirmations" to hide. Some were: Medicine cabinet: My teeth will regrow! I am sharklike and powerful! Kitchen drawers: I know when to spoon, but I also know when to fork! I am sexy and self assured! Work desk: I will not just fuck my way to the top of the company, I will fuck my way to the top of the world! Walk in closet: I am beautiful with clothes and without! Especially without! My boobs are legendary! There were a bunch more, and my friend and I had a hilarious time writing them. Next time my MIL came over she saw a few. And she didn't acknowledge them to me even though she definitely started acting a little weird about me. I went to run some errands and when I was out, she confronted Al about the notes and was trying to tell him that I seemed unstable, egotistical, and moving in was a bad idea. She showed him the notes and he didn't really know what to make of it. He asked me and I said that they were just some silly private notes to boost my self confidence and make myself laugh; how had she gotten them? Had she been going through my things? He said she was just tidying, and saw them. And they were real weird. I was like 'have you met me? You should know how weird I am. Anyway if you don't want your mom seeing my weird shit you've got to stop letting her go through my shit" He asked if I left them on purpose to annoy her, and I admitted that was kinda the joke, but I also have other weird or private shit so what I said about her needing to stop snooping if she didn't want to find weird crap was still for real. He said I was making stuff hard for him, his mom was really protective and adjusting to him moving in with a girlfriend for the first time, and I was agitating her on purpose and making her think I wouldn't be a good partner, when he wanted her to have the opposite impression of me! AITA for the note prank?