Trust no-one. This world is full of cheats, liars and snitches who we often don't notice until it's too late. It's about time that changed and we learned to defend ourselves. For the overthinkers among us, it's second nature to prepare for all kinds of events, just in case we're hit with a worst case scenario. Sometimes, that includes getting aggressive. This has become the premise for the "Practicing How To Fight" trend, where people show themselves finessing their brawling skills for potentia…