Anti-bully armour.

If someone fronts you up, try this: "I wouldn't pick a fight with me, and I am me..." Be sure to pitch it ice cold, and watch them change their mind.

This may not work. But, if its going to go chairs and tables, you may as well get a line in ahead of the black eye and the lost tooth.

Don't try the one I used on people trying to break into my house at 3am. I pulled the biggest kitchen knife I could find and shouted, "It will cost you one eye to get into my house, which one of you cunts is first?" They ran away. Whew.....