Most people have dreamt of owning their own business. There are tons of advantages to doing so, and it's easy to romanticize the idea. On the surface, it seems like a straightforward desire, but the reality is, there are many different distinct potential motivations for getting involved in the world of entrepreneurship. Recognizing and understanding these motivations is critical if you want to be a successful business owner.
"I certainly never really had time to think about what it is that I wanted."
When a hint of inspiration strikes you, write it down immediately.
Getting out of the building and doing primary market research has saved a great many startups from solving the wrong problems.