You have not lived until you have done something for someone who can never repay you,” wrote John Bunyan in his spiritual treatise The Pilgrim’s Progress. Little could he have imagined the excesses and external stimulations of our era, a time in which selfies seek to proclaim the meaning of our existence in the world, and texts take the place of deeper, heartfelt conversations. When that feeling of listlessness and meaninglessness strikes, consider that perhaps your heart space needs a boost. You can pry your soul open to its full extension with a dose of simple selflessness. Time off from the grind doesn’t need to be all about you. Consider these “voluntours” as the spirit’s best medicine. Vinaka Fiji Always dreamed of exotic Fiji? Most visitors to this island nation spend their days at five-star resorts to dive, boat, or hike the verdant tropical landscapes in search of jaw-dropping waterfalls. Consider mixing philanthropy with tropical repose when you travel to this Pacific island nation’s Yasawa Islands as a volunteer with Vinaka Fiji. Incorporating 27 villages, the rugged, poverty-stricken Yasawa …