First of all, the thumb goes on the outside of the punch. If you don’t know that, don’t even get into a fight.
Everyone has the potential to knock you out. Even a poorly placed punch can put you out of commission if it hits the right spot.
Avoid a fight whenever possible, but when a fight starts, start fighting. Don’t hold back. Hit hard, fast, and continuously.
If you’ve ever been in a real fight, you wouldn’t be so eager for another one.
Everyone is human. Know the best places to hit
Don’t fight on the asphalt.
Don’t fight when you’re drunk.
Don’t rely on internet advice to win a fight.
Don’t look directly into their eyes, because you’ll never see what’s hitting you. Look at the center of their chest and you’ll be able to see the punches coming.