It is important to dream and be brave to follow your passion. Going alone and starting your business may be a daunting idea at first. The unknown is frightening and the first step is the hardest one.
However, whatever happens, this experience will be an invaluable learning curve and will definitely broaden your understanding of how things work.
What is the worst that can happen? In the end of the day you can always return to the everyday office work, so go on and be brave to live your dreams today!