First, I'd like to clarify that I'm not reffering to the "party animal" mentality that the music industry & Hollywood has established. I'm referring to the substance use among people who feel that they need it in order to create. Often times we see people who testify that they know full well what it does to their body, yet continue to use in order to bring themselves into that creative process that builds masterpieces. As they describe it , it's a very particular state of mentality where they are able to express themselves more deeply with their words or music or movies. Some people feel that they need to concentrate more and focus on stimulants like adderal or cocaine, while others feel they need to escape their feelings and go numb with sedatives like opiods. In such situations, many of them are under the impression that sobriety will cost them their job. What is it that you suppose contributes to a person latching their entire career on a "fix"?