A few years back, I was part of an epic round trip from Huntingdon Valley, Pennsylvania, to Longport, New Jersey, with my friends Bob and Todd. We started out around 6 a.m. and cut down through Philadelphia, over the bridge, and then diagonally across New Jersey. We each took pulls, chatted, laughed, and grabbed food at the destination before turning around to ride back. Halfway through the return trip, like a switch, the trouble started. All the food I brought wasn’t appetizing, and my drink mixes started turning my stomach. As the miles crept by, my power and enthusiasm started to wane. I stopped taking pulls and was just staring at my friends’ rear wheels. Luckily, Bob and Todd still felt good and let me sit in their draft the…