Gambling problems can develop into a serious condition that has significant effects on family life, friendships, and professional life. The consequences affect not only the gamblers themselves but also their surroundings. This guide aims to inform you as a family member, friend, or partner about gambling addiction and to present ways to better cope with the existing burdens. The guide first explains what gambling is and how it is legally regulated. It then clarifies what gambling addiction is and how it develops. Furthermore, it addresses the impacts on those affected and their family members and friends, as well as common issues such as mistrust and blame. Finally, the guide outlines various options for action.