Jess brought me as her +1 to a blogger class at CrossFit Coolidge Corner a few weeks ago. CrossFit Coolidge Corner is welcome addition to the Brookline fitness scene (which is already booming with Healthworks, Bodyscapes Fitness, several yoga studios, and now Pure Barre Brookline). Several friends, coworkers, and even students are huge fans of CrossFit, so I was eager to see if I too would catch the bug. Our class included four other attendees: Shelby from Paleo Princess RD, Shelby’s boyfriend Adam, Jen from Boston Bachelorette, and Jen’s friend Melissa. After an introduction by coaches Brett and Yosh, we got started with the workout. I was surprised to recognize lots…