Life has no meaning unless one lives it with a will, at least to the limit of one's will. Virtue, good, evil are nothing but words, unless one takes them apart in order to build something with them; they do not win their true meaning until one knows how to apply them.
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.
As a necessary prerequisite to the creation of new forms of expression one might, I suppose, argue that current sensibilities respond uniquely to the notion of exhaustion as exhaustion, although that does de facto seem rather limiting.