Frances Salter caught up with the Goo Goo Dolls ahead of their show at London’s Roundhouse to chat booze, sentiment, and rock ‘n’ roll welfare.“What do I know? I write sappy love songs, for housewives.”I’ve just asked Johnny Rzeznik for his secrets to lasting in the music business, which – sappy love songs or no – is something he knows a thing or two about. Since their mainstream breakthrough in the early nineties, Goo Goo Dolls’ record sales have exceeded 12 million albums worldwide, not to mention the four Grammy nominations. They’re now touring 2019’s Miracle Pill, wrapping up the UK leg at