Motivational interviewing is a brief intervention that views motivation as readiness to change rather than a personality trait. It relies on client-centered, self-efficacy, and outcome expectancy models. The spirit of MI involves partnership, acceptance, compassion, and evoking ideas from the client. The 5 principles are expressing empathy, avoiding argumentation, rolling with resistance, developing discrepancy between current and desired behaviors, and supporting self-efficacy. The goal is to help clients recognize how their current behaviors differ from their goals and values to increase motivation for change.