​David is 43 years old and and unmarried. He had a long history of substance misuse and gives his account of being a participant on the Enhance Living course. What is the Enhance Living course? The course was prepared and delivered by Dr Em Perera, a clinical psychologist interested in psychological resilience and brain training. The course was ran weekly over 8 weeks, and each day lasted 2.5hrs with a short break in the middle. The Enhance Living course uses ACT, an evidence