This document provides advice for library Friends groups on how to effectively support the library. It suggests that Friends groups should understand their purpose as outlined in founding documents, feel a sense of ownership but not to the point of overstepping their role, and ensure strong participation and advocacy rather than just fundraising. The document also provides tips for libraries on using their physical space strategically and creating an inviting brand identity through design choices. It advises considering a career change when support structures are gone and signs point to it being the right time to leave a position.