Addiction is a state of being enslaved by something you do or use to the extent that you do not have any sort of control over it anymore. When you are addicted to something, your everyday life and activity is dependent on it.
The type of people in your life can make or destroy you. If you are always around people who say negative things to you, talk down on you or do not believe in you or your dreams; you can never make it.
Childhood is that period of lifecycle when you are a child. It is a period of growth and development. It is equally a time when you start learning both at school and home, play with friends and surrounded by family or caregivers.