Brandon Payne is haunted by his past, and Stephen Curry is paying for it.While the six-time NBA All-Star and two-time league MVP makes splashing buckets look oh so easy, it's Curry's longtime trainer - and his unwavering attention to detail - who continues to have the biggest impact on Curry's free-flowing game. And now he's shaping the next generation of transcendent guards."Some days I don't wanna come to the gym and give it 110 percent," admits Curry, who has worked with Payne since 2011.