Threatened at Gas Station

I don't wear a Prosthetic arm so it's usually obvious that I'm disabled. Well during winter I blend in more because I just tuck my jacket sleeve into my jackets front pocket and it looks like I'm just walking with my hand in my pocket. Anyway, back in 06 I got into an argument with a guy who was sitting on my car outside of a Chinese restaurant I had stopped at. I was baffled that he was upset about me being upset. He seemed way more aggressive than any other person would be in that same situation. As soon as I started moving towards my car he pulled out a little revolver. I was so confused as to how we got to this point. I asked him why he had a gun out over him sitting on my car. He said it was because I had my hand in my pocket.mind you, at this point I had totally forgot that my sleeve was tucked into my pocket. I told him that I had one arm and when he realized, he just walked off. I realize right then and there that there's a lot of people out here who shouldn't be allowed to have a gun. I know that he was extra aggressive because he knew he had the gun in his pocket ready. I might have lost my life that night, over him sitting on my car. ? I say that to say you did the right thing. You could've easily loss your life simply because an idiot with a gun wanted any excuse to use it. It's scary knowing that I almost died to gun violence at home only a year after surviving actual war.