What is a phrase or comment that your spouse significant other could say that would make you immediately consider divorce?

Earlier, in December of last year, My wife has a birthday in December by the way. She was at her sisters house. I had told her that i couldn't get free for her birthday, but i would do my best to see her. What i hadn't told her is i had taken the day. I went to her favorite bakery, got a birthday cake. I had spent three weeks trying to get a reservation at the restaurant where i had proposed to her. The only problem with this was severe weather that had come in. Severe snow storm. What would normally be a 4 hour drive, turned into a 9 hour drive. by the time i got to her sisters house, it was bad enough that i had to part a few blocks away because the plows had not been by. I trudged through deep snow and got to her house. I entered through the garage door so i could put the cake directly in the kitchen. While i was in there i heard my wife tell her sister "I wish he would wreck on the way here, i could use the insurance money" and her sister said "And a few weeks of silence" I left the cake, and i left the house. I walked back to my car, and got a hotel room. I went to sleep. the following morning i woke up to 60 text messages and 27 missed calls. All from my wife. i for about three weeks ghosted her, and slept on my best friends couch. Her comment, wishing death on me for the insurance money hurt me to the core. We eventually reconciled but only after she apologized to me and made her sister apologize as well.

What is a phrase or comment that your spouse significant other could say that would make you immediately consider divorce?
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