Ross A. Laird is an interdisciplinary scholar and creative artist. He is a best-selling author, psychotherapist, university professor, addictions and trauma specialist, consultant in the psychology of leadership, poet, and craftsman in wood and stone. One of his books, Grain of Truth: The Ancient Lessons of Craft, was shortlisted for the 2001 Governor General’s Award (the highest literary award in Canada) and the BC Book Prize. Grain of Truth was voted one of the 100 most important books of 2001 by the Globe and Mail. In the present interview, Dr. Laird discusses factors that may predispose individuals towards their “drug of choice” and how this knowledge is relevant in the decisions about treatment applications.