When you learn to survive without anyone, you can survive anything.
A succefull person must be a kind of person that never gives up easily on any chalage encountered in life,because life is a kind of strugle and hardship,in this kind state one have to depend on themselve to survive,because gone are the days when a problem share is a ptoblem solve,nowadays most problem shared become mockery to others.as been stated above,if you could try as much as possible to survive in time of hardship alone without anyones help and assistance,you can survive all sort of problems in the world with yourself dependence and reliance.