Teddy Swims is a lover. The 29-year-old artist, who merges honeyed soul with raucous rock energy and pleasing pop hooks, writes nearly all his songs about falling in or out of romantic entanglements. He zeroes in his focus on his latest EP, Tough Love—a six-song collection of heartbreak horror stories and earnest declarations of devotion. “To me, that’s just all there is,” he says. “You’re either making love or crying about it.” The Atlanta native, born Jaten Dimsdale, has been…