Always be nice to everybody; you never know who could be a professional MMA fighter.
For the most part, the person you aren't nice to would be the last person you'd expect to be a pro fighter, until you're on the ground getting your ass handed to you in the form of a triangle choke submission.
One dude sticking up a woman with his friend in Brazil learned the hard way. His buddy made off with her phone, but he got left in a painful situation.
The video above shows you should never look for trouble (or rob people) because if the woman you're sticking up is MMA fighter Monique Bastos, it's truly a wrap for you.
Not only does this guy nearly get the life choked out of him, but according to rough translations, he was screaming for his pops. He reportedly said,
Be careful what you wish for because she might f*ck around and choke out your dad, too.
Citations: Female MMA Fighter Puts Man Into Incredibly Painful Choke Hold After He Tries to Steal Her Cell Phone (Yahoo! News), Karma Rocked This Man When He Tried To Rob A Female MMA Fighter (Uproxx)