Meaningful friendships at work are effective solutions for employee retention, increased engagement, customer service and increased revenue. Employees who have friendships at work — where they spend more time than any other place — show an increase in good health and overall happiness in all aspects of their lives. But how do we actually develop the friendships that matter in an appropriate way? Shasta Nelson, a friendship expert, looks at the latest research on how relationships at work impact us and shares the three requirements of all healthy relationships so that our joy increases with our profits.