What exactly separates a friend from an acquaintance? Can men and women really "just be friends"? How do friendships change as we move from childhood to adolescence to adulthood? How can you support a friend in need, and how should you address conflicts and misunderstandings? This book answers these and many other questions readers may have about friendship. Books in Greenwood\'s Q&A Health Guides series follow a reader-friendly question-and-answer format that anticipates readers\' needs and concerns. Prevalent myths and misconceptions are identified and dispelled, and a collection of case studies illustrates key concepts and issues through relatable stories and insightful recommendations. Each book also includes a section on health literacy, equipping teens and young adults with practical tools and strategies for finding, evaluating, and using credible sources of health information both on and off the internet-important skills that contribute to a lifetime of healthy decision-making.