Reality of life is that it depends on person to person.
Person is failed who is I think over confident or he loose his confidence.
The person who is confident that he can do something and can achieve, become something in life can never bve failure.
A person is failed in any aspect and he feels he can workhard and improve himself can never be failure.
Some person think as what we have appeared in exams, if we ar failed, we will do better next time, and can never feel bad he can improve himself.
The person who is having guts can improve his confidence.
One has to be ambitious, his desire should be strong to prove himself
A person should be positive thinking.
A person should think life is full of struggles.
Hence failure is a proof that desire wasnt strong enough.