People in their 30/40 and unmarried might be because of many
reason.
Some people don't have the "Yuan Fen" .
Some people don't have luck in their life, they are either too
poor, do not have enough money to eat rice, how to find gf and get
married?
Some people spend too much time to work in a company for their
boss, who pay him serious low salary.
In the end that boss get 4 or more wifes 1 in
singapore (original gf turn wife),1 in china(Known from Geylang's
KTV), 1 in indian( His indian worker's ex gf), 1 in
philipine(His neighbour's maid), and he got non.
TS, you married yet? better get married before 30. else you be
childish too.