Is NOBODY wrong in the post ? POST : Background Info: My parents have been divorced as long as I can remember and I have been living with my Dad for about 7 years now and I would say that me and my mom get along pretty good after having some beef a while back. Also I'm 20 years old.

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So I have a dog that basically lives at my moms place since me and my dad don't have the time or room to take proper care of her. My dog just got a tumor removed and when I got the news that the surgery was a success I came to visit later that day and brought some treats for my dog. After greeting everyone I sit down and talk with my mom and her husband about how things are going and so on, the typical stuff. After a while my litte brother (18 years old) sits down with us and joins the conversation. After about 2-3 hours I decide to leave, so I stand up and stretch my back and this exchange took place. ( It is very common for everyone in the family the just roast each other in good fun when they have the chance)

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Brother: "God damn you're fat how much do you weigh?" (I'm actually rather skinny)

Me: "I don't know last time I stood on a scale was in 1458." (I often exaggerate like that)

Mother: "Wow I didn't know I was that old" (While laughing)

Me: "Must have been a long time since you last looked into a mirror then"

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My brother and her husband burst out laughing but my mom gets angry, telling me how dare I and tells me to leave and walks into the kitchen. I just leave cause talking to her while she is angry is impossible.

She has been on the receiving end of roasts like that before and always took it in good fun and even had some really good comebacks here and there.

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Now am I the asshole or did she just overreact?