Definition: Given a real-life anecdote of a complex ethical situation, generate a suitable title that describes the main event/root cause of the situation. Imagine that the given text is a social media post, and you have to write the title of the post, so the users can decide to read the main text or not.
Input: Backstory: about 3 years ago my wife (fiancee at the time) was acting very weird about her phone. She would hide the screen when it would light up, turn it upside down when around me and act very defensive over it. After confronting her about it, she had been snapchatting and texting a co-worker of hers (male) that she had developed feelings for. He had also told her he had developed feelings for her and she had been keeping it from me. We worked through it, she cut off contact with co-worker and we moved on. 

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Fast forward to tonight, we are in the bedroom talking and her phone is lying right next to me on the bed. Her phone lit up and I guess I glanced down and saw it had multiple text messages. In my mind I thought I would see who they were from and let her know she had messages from those people. I didn't touch it or pick it up, but I bent over the phone to see who was texting her.

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The second she saw me looking at her phone she snapped at me "Are you looking at my phone? Why are you being so nosey? You need to mind your own business" and grabbed the phone. I headed downstairs and she came down soon following and sat down to watch a movie. She could sense something was wrong so she asked and I asked her why she was being so defensive over her phone (she usually isn't like that). She got very agitated and said I was being nosey and whats on her phone is none of my business. This is where I may have overstepped - I mentioned that her being defensive over her phone just reminds me of the past and makes me feel uncomfortable. I said that her reaction didn't make sense to me and I didn't appreciate the way she reacted. 

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She got very upset and said that we had worked through this problem "Years ago" and that it's not fair for me to bring it up. She also said that she is upset now that I would bring something up and that she felt like I was accusing her of cheating (which I was not - in my mind I was expressing why I didn't like her reaction). She offered me her phone to look through (which I declined because I don't need to look through her phone?) and told me the messages were from her mother. AITA for bringing up a (very similar) situation from 3 years ago and applying it to this situation? How could I have reacted better? 

looking at my partners phone