Box braids are one of the most convenient protective styles out there and come in handy when you want to leave your natural hair alone for a few weeks. They're also incredibly easy to style, even when your ends are tucked away. Still, if you're someone who's never had them before, there's a lot to think about when getting them for the first time. That includes researching which hairstylist you should trust to do the job, how you want them to look length- and color-wise, and more importantly…