“And reprising one glorious Lennon-McCartney song after another proclaimed a truth that was irrefutable, however disloyal to John’s memory; that for all his brilliant idiosyncrasy – his genius even – he was never half so good again as he’d been with Paul, just as Paul was never a quarter as good without him.”
(An excerpt from Philip Norman’s ‘Shout’.)
Having that someone to cover one’s fallibility can be very important. Without it one can lose touch as all the surrounding yes men are too afraid to point out your flaws.
