I started to hate my fiance recently, should I break up?

I feel differently about my fiancé and it's starting to worry me. We had a small argument a few days ago because she forgot to buy me something I wanted. I know it sounds like a small thing but I got really mad and she was disappointed. It made me realize that I've been getting angrier with her over small things lately. I used to ignore things like this but now it's starting to bother me more. Is this something I should talk about or is it just a phase? Does it make sense to break up because of something like this?

I started to hate my fiance recently, should I break up?
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