If you were driving through the English countryside sometime in October 2020, you may have spotted a man in a full suit of medieval armor, marching along the side of the road. It was neither a present-day Don Quixote nor a lost LARPer. It was simply Lewis Kirkbride, a 38-year-old charity worker from Durham, in northeast England. Turning heads, in fact, was precisely his goal. Over 20 days, Kirkbride walked some 300 miles to raise awareness of the English population’s widespread, if largely undiscussed, struggles with mental health—struggles he likens…