We discuss investments and Tony Robbins' new money book. Why some women prefer smartphone \n\n\n\napps to help track ovulation over hormonal contraceptives. We talk to Dr. Kathryn Foster about her book The \n\n\n\nNaked Truth About Men (and Romance), and how both sexes can connect better by understanding how the other \n\n\n\nthinks and behaves and what motivates them.