I also do something a lot of people don’t, i say ‘no.’ To be as productive as possible, you have to learn to say ‘no’ and to say it often. When you’re an entrepreneur, when you’re leading a business, everybody wants a piece of you. It’s so hard. Related: Robert Herjavec: 'The World Doesn't Reward Mediocrity.' He continues, The tendency is to say ‘yes’ to everything and then everything suffers, and you’re like, ‘Why did I say ‘yes’ to this?! Eventually you learn the power of ‘no’ and you get better at it as you go.