IMO this is a huge problem in todays modern society. It is accepted that loneliness causes stress and poor health. When young it is easier to be alone but as you age it becomes harder. In my experience people who choose to be single because of fear of the risk/dangers of relationships face another risk which is a gradual shutdown and creeping bitterness. Much of the epidemic of loneliness can be attributed to our science based economic progress- we do not need relationships so much on an economic level, although living alone is still much less cost effective than living together. IMO the mechanisation commodification of so many aspects of life- the farming out of so many daily 'chores' to machines or paid service providers has undermined the roles that previously gave relationships their purpose and sense of value. The commodification and mechanisation of many aspects of life shows no sign of ceasing and this problem looks like only getting worse. While mechanisation and commodification has delivered efficiencies and freedom of choice it comes at a cost on a personal level. One of the benefits I enjoy from a lifestyle of voluntary poverty is it delivers more simple life and more time and meaning to relationships...but realise this solution will not be for everyone!