heyy I do the same thing man. I do krav mega and jeet kune do. ha my friends don't really sneak up on me anymore lol

never sneak up on chuck norris

Why don't you also take in account that these men and women are just following orders, and that if we ever get into a war that is with in our borders that they will be protecting your asses, they are honorable people, so lay the **** off

Some people have been traumatized, don't say shit that you don't know for sure

Don't you hate the ******* who think that they know everything and are calling fake, bc they probably have lived with someone who has PTSD and know that it would also take more than a single second to stop yourself from defending yourself, and even if they don't have PTSD, people can train themselves to react this way, so please shut that asshole you call a mouth

Somebody needs to stop watching so much " karate kid"

Meh she deserved it..

So this happens often?

What the hell is wrong with you

That is not how it works. Your body goes fight or flight mode and chooses itself. That is why some people scream when scared and others throw punches or in this case twist wrists and flip people to the floor