Childhood--Building Blocks of your Life

These days i am all into writing mock papers for my upcoming exam in the month of december and as usual from past some weekends i was writing a paper Online(as its online this year) and was struggling with the section which most of the engineers struggle..( English or Verbal) and while reading one of the RC's from the paper i was so struck by the theme of the passage that i am writing this blog..
The TITLE of the RC was Childhood and the author had the opinion that how we tackle different situations in our childhood, just makes us the person we become in our adulthood. Also he gave an example of himself which was quite similar to me as i could easily relate to the author. He quoted that in childhood he was also who didnt took things that seriously or always had a nonchallant attitude towards Life. If there were problems he had the least bothered attitude that it will be allright in some time. But when he came to professional life or in Adulthood he faced a lot of problems with the same attitude as now the things were changed. Life was not as easy as it was in Childhood. A lot of terms had come into picture now..Peers,Competition.Growth,Satisfaction,Status and lot more..

So on this note i wanted to ask a question- Is it really your Base or Childhood which decides how will progress in life or you need to take things very seriously right from the word go.

I am in this dilemma from past some days so i jotted it down..

So can a person really enhance his mental abilities or his habbits which he/she has developed since his childhood??

I hope my question is not too Childish:-)