The document discusses four key signs that someone is unhappy at work: 1) feeling out of control like a puppet on a string, 2) procrastinating on tasks as a sign something is amiss, 3) worrying about work during non-work hours such as Sunday nights, and 4) lacking empathy and not wanting to help coworkers due to being in a bad mood. It recommends using the Make My Work Better platform to anonymously provide feedback to bosses about how to improve the organization and find more happiness at work.