So, this may be the ultimate reason for you to be a professional photographer—doing something that you like with money. If you think of this in another way, it is just like someone is paying money for you to do things that you enjoy. How nice is it?
You will be enjoying every moment being a professional photographer, and you will be motivated to work. What will happen? Your photos will be of very high quality since you spend time and effort on it.
With high quality, you will get more business!