By all means express yourself, but if constantly talking about how you “could totally beat someone up if you really wanted to but don't right now” isn't exactly the quickest way to earn people's respect. We've all known a few people like this. Some of us have even done this stuff before realizing its not having its intended effect. If you find yourself crafting a multi-paragraph Facebook post about how you're a shark and these waters are your grisly home, save that bad boy in drafts, sleep on i…