Here are Nashville entrepreneur/millionaire Marcus Whitney's five top tips for success.

1. Connect your health with your performance

"I think that’s more important than saying focus on your health. Your health is directly correlated to your ability to perform," he said.

"Even if you’re performing well and you’re not in good health, that means you could be doing so much better."

2. Practice suffering — and make it physical

"If you are averse to suffering, you can totally get walloped by it. Entrepreneurship is a full-contact sport. It will tax you emotionally, physically, mentally," he said. "If you don’t know how to thrive under that pressure, either your business will suffer or your life will suffer.