This just blows me away. I have had one f/a talk to me like that way in my life & what made the flight bearable was knowing the door would open & I was free to say anything I liked back without being accused of "interfering w a flight crew". This jerk who told you he was "done with you" deserved to be thrown out the window. Yes, I know you can't do such a thing but while very childish, when I had a situation like that it was quite cathartic when getting iff the plane that i got my chance to I tell her exactly what I thought of her, language and all. They don't like it when the door opens & they lose this special power over you.