These three options A, B and C do not apply to the majority of the population, even in the United States. Many people in Silicon Valley cannot live like this. They need the help of a partner to pay rent, care for children or simply someone to pool resources with. If there is no way to live together, it becomes a huge blocker to progressing in life. A lot of young people in America are surviving on the pooled resources lifestyle. If its not with a partner, they pool resources with parents.