20 Reasons Why Some People Are Always Happy. 20 Reasons Why Some People Are Always Happy. Some people just seem to float through life with a relentless sense of happiness â through the toughest of times, theyâre unfazed and aloof, stopping to smell the roses and drinking out of a glass half full. They may not have much to be happy about, but the simplicity behind that fact itself may make them happy. Itâs all a matter of perspective, conscious effort and self-awareness. Listed below are a number of reasons why some people are always happy.