Zakk Wylde and Ozzy Osbourne have always had such an admirable relationship as collaborators, and the guitarist has nothing but great memories of them working together. He’s convinced that if the Prince of Darkness wasn’t a musician, he’d be a stand-up comedian because of his sense of humor.This year marks the 30th anniversary of the album No More Tears, which was the duo’s third studio record together. While Wylde said the experience making the album was a bit…