It has been a frenetic few months for Tesla CEO Elon Musk. He had a public meltdown over his workload and nearly dragged his company into a Securities and Exchange Commission lawsuit. According to Business Insider, Branson's advice to Musk is to cool his jets.Richard Branson told Elon Musk that he needs to delegate more to improve his quality of life outside of Tesla. , Branson also told Musk to stop tweeting and focus on what he's good at.