That's when the great stuff happens, when you're not checking yourself all the time, being critical of yourself and what other people are doing.
The basic answer is that I wasn't happy or fulfilled by the job I had and I wanted my life to mean something to me, so I searched my life experience and realized that acting and performing were activities that I enjoyed all aspects of.
For several days after my first book was published, I carried it about in my pocket and took surreptitious peeps at it to make sure the ink had not faded.