Josie Sheehan collects failed relationships the way some women collect designer handbags. Now, at thirty-five, she has exactly one male in her life: her Labradoodle, Genghis. In fact Josie, along with the three very single women in her dog-walking group, has recently sworn off men, resigning herself to long walks in the park with her devoted, four-legged friend. All bets are off, however, when ...