This article originally appeared on Patheos. “Party of one.” I walked into the Cracker Barrel, was seated, and fiddled with the wooden triangular brain teaser. Normally, I can solve those things, but on that day – after driving thirteen hours straight – I was struggling. “I can only get it down to four little pegs,” the waitress said as she approached my table and saw my frustration. “What does it mean that I have five left?” I asked.