First, what is the prompt for this response. Without seeing that it is difficult to understand what it requires. Include that in the next thread and that helps you earn more meaningful comments.
To be successful you have to believe in yourself, to believe in yourself you have to have confidence, and in order to be successful and survive in the fashion world you must be passionate.
... In the first two sections there is a connection, but it is destroyed in the last section. You better re-phrase this sentence.
I grew up with my grandmother who was very old school in her beliefs.
I grew up with my grandmother who was very conservative in thinking and a person of old school.Her main focus for me was to be the best academically and not so much to be the most fashionable.
She was keen on making me more academically successful and never liked the idea of my being in fashion world,