Commercial jobs are pretty easily adjustable because they only take a few hours to complete, which is one of the reasons they are a Godsend to the actor.
There are plenty of recommendations on how to get out of trouble cheaply and fast. Most of them come down to this: Deny your responsibility.
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.