"I can do... the New York Times puzzle, but just for Monday. I can do the Monday in under 10 (minutes). On Monday, it's like a really hard USA Today puzzle, but I can do that in under 10 minutes. Tuesday, I can do in, like, 15. By Wednesday, I just give up." Singer/songwriter John Mayer plays down his crossword puzzle skills after girlfriend Katy Perry declared him a genius.