Besides teaming up onstage, Jennifer Nettles and Kristian Bush also share the same tour bus and sleep on bunks next to each other every night. "It's The Waltons on here sometimes," says Bush, 38, with a laugh. The duo, who wrap up their tour Nov. 22 after more than 250 days on the road, practice yoga together, have an informal book club (The last shared read? The heady King, Warrior, Magician, Lover
, about male archetypes) and keep their voices fresh with twin humidifiers from Walgreens. "It's definitely a community way to live," says Nettles, 34. "And what you find is that you don't need a whole lot of space." Adds Bush: "We love what we do. It's an amazing way to carve a life."