A recent study released this week by MassMutual found that many retirees say they experience increase happiness after leaving the workforce, but 33% do not feel happier in retirement. \xa0And half of these say they feel lonely. \xa0So what makes people feel happy in retirement? \xa0What are retirees worried about? \xa0We\u2019ll hi-lite the study so you can have an idea of what retirement may really be like.