An author investigates his obsession with Roger Federer
This definitely sounds like my Buddy Lou.

Roger Federer is a good tennis player. Many would say he was the best there has ever been ... and some of these would be using the word "good" in a moral sense. Yes, genuinely believing the tennis played by Federer is morally superior to the stuff played by his greatest rival, Rafael Nadal, and by current world No 1 Novak Djokovic.
This definitely sounds like my Buddy Lou.

Roger Federer is a good tennis player. Many would say he was the best there has ever been ... and some of these would be using the word "good" in a moral sense. Yes, genuinely believing the tennis played by Federer is morally superior to the stuff played by his greatest rival, Rafael Nadal, and by current world No 1 Novak Djokovic.