Jason is a 31-year-old man in recovery for substance use disorder for methamphetamines. He states that he can stay sober for a few months but always relapses due to boredom. He finally was able to stay sober after he got involved in extreme sports (e.g., hang gliding, windsurfing, and parachuting). He told his nurse practitioner, “I had to literally get high in order to stop getting high.” This is an example of: