What do you think would happen if Virat Kohli was to walk out to bat in a crucial match being played in foreign conditions with no net practice? Assured or nervous?

Each one of us has learnt so much after we passed out from school. If you were taken back in time and put in front of your 12 year old self, what advice you would share?

All of us want to be more confident and assured in our actions. And we wish the same for our children. But what is the nature of confidence? And how do we build it?