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Content Warning: This section of the guide includes discussion of death.
Wallace closes the book by discussing the unexpected death of her father, whose presence had been a foundation of her own sense of mattering. In the weeks that followed, messages from people across his life described how he had made them feel seen, valued, listened to, and supported. Their memories led Wallace to recognize that he had built a “mattering network” that continued to affect others after his death. She uses this experience to develop the Epilogue’s central idea: Mattering is created through relationships and can endure through communities and collective memory.
From this comes the shift from “I matter” to “we matter.” Wallace argues that helping others feel valued strengthens the networks of connection that can support us during loss and change. Her experience of bereavement gives this argument a personal foundation, although different forms of upheaval may require support beyond interpersonal connection.
The book ends with a simple call to action. Wallace encourages readers to pay closer attention, ask better questions, express appreciation, and make the first move when they feel an impulse to reach out. Her final emphasis is on the cumulative effect of these everyday actions: Each offers another person evidence that who they are and what they do matters.
The Appendix provides a self-assessment tool for readers to reflect on their sense of mattering across four life domains: “Mattering to Myself,” “Mattering to Friends and Family,” “Mattering at Work,” and “Mattering in Society” (237-38) The assessment applies the five dimensions of the mattering core—recognition, reliance, importance, ego extension, and attunement—to each domain, prompting readers to identify where their sense of mattering feels secure and where it may need greater attention. It can also be used to consider the sense of mattering of someone they care about. The assessment is presented as a reflection exercise based on mattering research and insights from existing surveys; Wallace does not describe it as a formal diagnostic measure. The Appendix closes by encouraging readers to share the ideas of mattering with others and become “agents of mattering” (238).



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