In a 2014 interview with Smashing Interviews Magazine, Aerosmith lead guitarist Joe Perry was asked to describe his relationship with longtime bandmate Steven Tyler. The two hard rockers, known collectively as the "Toxic Twins" due to their rampant drug abuse, have had a rather rocky partnership over the years, one Perry labeled as a "learning process."

"It’s pretty much what it is. You can love your brother, but you don’t have to like him. We have our ups and downs. He’ll say stuff in the press, and I’ll think, 'What the hell is he talking about?' Next time I see him, it’s all hugs and kisses. We know the band is bigger than our ups and downs. If anything, it has been a learning process in how to deal with each other’s personalities. That’s one of the reasons I wanted to write the book because people hear stuff about Joe and Steven not getting along," Perry described.

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