Late musician Kurt Cobain (1967-1994) was once quoted as saying: "You laugh at me because I'm different. I laugh at you because you're all the same." I think the quote perfectly captures a persistent problem in our society: That people are ostracized when they're noticeably different in some way from the mainstream. This runs the gamut from virgins to non-drinkers, introverts to nerds, tree huggers to the extremely religious, childfree to vegan. Herd mentality describes how people are influenced by their peers to take on certain behaviors, follow trends, and/or purchase products. Whether you're contemplating which car to buy, whom to make your next doctor, or what constitutes trendy nowadays, you'll probably take your cue from someone else. It could be a friend, family member, or coworker. The thought of someone who's a little different is unsettling for many people. That, in turns, drives us to do all we can to conform to societal expec...