maybe, no compete, no advance.

Hello Life is competitive if you want to enter in competition, life is complicated is you like to complicate it ... The best way to live your life is to be sure of what you want and use the right tools to do it.

Life is competitive and complicated. i dont think there is an explanation for it. just get used to it.

Do you mean why is life competitive?

Hello , The word" competed" is wrong , I think you mean : "Why is life complicated"? Is that what you mean?