It's just that he wants to sell you his breathing apparatus that you guessed it, mimics training at high altitude. rofl... “Man, I have so much energy,” Donaire chirps from the front of the bus, unable to sit still. He turns around to address his team, first singing playfully in Spanish, then his native Tagalog, then talking in English while imitating the Beatles, then singing like the Beatles, then fading back into a Filipino ditty. “I feel amazing, I feel incredible,” Donaire says. “Now I’m at like 21,000 feet.” “As the fight gets closer, we’ll bring him up to 22,000 feet,” Conte says. Altitude is important to Conte: Since Balco, he’s embraced “intermittent hypoxic training,” which starves the body of oxygen by simulating mountain conditions with the help of a breathing mask, triggering the production of red blood cells and erythropoietin, or EPO—a natural energy booster. “For years, you had guys like Oscar de la Hoya and Shane Mosley and all these champions setting up camps at Big Bear,” Conte says. “Up there is the worst place you can go. The problem is there is no time to get a good rest. At that altitude, your body can’t relax. With the machine, we take you all the way up and bring you all the way down.” See this douche wants to sell his breathing machine lol.