I quit my job last month because I felt that my job was rather irritable and troublesome. At that time, I was naive and thought that as long as I was not satisfied with my job, I didn't need to stay. Then I felt that I was wrong. Because everything has to be started from scratch, the work has not been reduced at all, but the salary has plummeted. Because we are all newcomers to a new position.
You learn from the experience and initial stages you do make lot of mistakes and this is the one of them. Good thing you realized this and ready to accept the mistake and works towards it, which will be beneficial for your future. Now start looking for job or setup something which you love to do or passionate about and see you would be thrilled when the things start getting roll for you.