Hi guys,

I'll try to keep backstory minimal and factual

  
My brother got married this past Saturday. I was a groomsman. I had a great time. I don't think my dad did. My dad and I had a fight the day after the wedding where he believed I got too drunk (I did) but I believed I was still having a great time and he was either responding to a specific disagreement we had or he wanted to take out his bad mood on me.  
Mum took my side and I believe she harshly reprimanded him in private. Dad apologized to me, but I believe he likely felt coerced into it and ganged up on.  


The next morning dad woke up in an even worse mood. I would later find out that he had been rude to all of the family members present that morning. I also woke up in a bad mood after ruminating on events most of the night. I tried to keep this to myself and just get through the day and eventually get home, but my fuse was very short.  


I walk outside to unload my things with a neutral expression on my face, eager to avoid initiating conflict. Dad meets me with a scowl. I respond with my own scowl. Dad aggressively asks if my tie and belt which are in his car are mine and shoves them into my hands. I respond aggressively that they are. Dad then goes back into his car and grabs the suit that I purchased for my brothers wedding onto the gravel. At this point, I lose it, I get up close to his face and scold him like I never have before. I tell him I will kick his ass and that I am this close to doing it and I make it very physically clear that I will follow through on this. He stays silent.  


I have tried to keep this retelling factual and balanced and also include his perspective but do not let my understanding of his perspective fool you into thinking that I believe he has behaved in any way acceptably.

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Prior to this, this individual has cheated on my mother and has hit her once before on a trip to Europe a year prior. The hitting was a smack that I have been informed has not happened before or since. It was a shock.  


Am I finally sticking up for myself or did I lose the moral high ground by threatening violence

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Thank you