By now you've probably heard: Short haircuts are happening. Everywhere. From the September Vogue Paris cover, to Coco Rocha's Instagram in real time, to Rihanna, who went short a few weeks ago. And if there are other life forms out there in the universe, I’m sure even they have heard about Beyoncé’s pixie cut, polled their colonies for their citizens’ opinions, and put forth multiple theories about why she did it. But as a short-haired woman for the past two years, I’ve been watching the pixie hysteria unfold with some level of bemusement. I was never that comfortable with long...