The document discusses co-housing and intentional communities. Some potential commonalities of these communities are shared ownership, a common house, using consensus-based decision making, and focusing on sustainability. The document provides examples of co-housing communities in various cities that have amenities like shared outdoor spaces, gardens, tools and workshops, gyms and bike parking. It also discusses how co-housing communities can provide social connections and support through activities like common dinners and global travel networks. Finally, the document suggests co-housing can improve quality of life through learning, personal growth, love, vitality and longevity.