Sharing day-to-day life is necessary for several reasons. It fosters a sense of connection and community by allowing people to relate to one another through common experiences. This sharing can provide support and encouragement, especially when individuals face similar challenges or joys. It also helps in documenting personal growth and milestones, creating a rich tapestry of memories that can be reflected upon in the future. Moreover, sharing daily life can inspire others, offering new perspectives and ideas that might enhance their own lives.