<human>: This evening at the dinner table, I was drinking a soda while my dad cooked dinner. He told me not to drink it all before we ate because he thinks it will ruin my appetite. When he finished cooking the dinner and sat down with me and my (50F) mom, I finished my soda. For some reason, he interpreted this as a breach of his command and proceeded to lecture me about how I made him feel like he wasn't "in control", as he put it. (Read that as "he felt like he wasn't controlling me".) I told him that I thought that dinner had started (he had sat down and put the food out in front of us and started to dish it out). He totally ignored me and continued to bash me, claiming I was disobeying his authority and that I was ignoring him. He also claimed that he would never ignore me if I told him to stop. (That's bullshit; I've told him to stop mocking me about my grades for years now and he's totally ignored me.)

The thing is, I'm afraid to say *anything* to him because whenever I've said anything in the past, he has just blown it off as me "being hungry" or me "just being a teenager". I want him to stop 1. cut it out with the authority/control freak stuff and 2. stop ignoring me when I ask him to seriously stop doing something. I even feel scared to say anything he disagrees with because he verbally attacks people in a brutal way when they challenge him, even on something like his political views. 

What should I do, if anything?

Provide a brief overview of the text.
<bot>: I'm having issues with my dad, who complained about "not having any control" when I misunderstood him. He is verbally abusive and can be extremely brutal to people who disagree with him.