2. Stage 2: Recovery and transition by reducing craving and irritability (week 3-6). Based on prior feedback on RFB, from week 3 on therapist will introduce IM technique one by one to the client to practice. Week 3: introduce 16-mins IM, start with close-eye RFB, relaxing body section by section through slow breathing, and attention plus breathing to warm up lower abdomen. Week 4: RFB & IM as a coping tool, therapist helps clients find the key trigger situation for stress or relapse, and apply RFB and IM technique as a copying strategy. Week 5: add guided imagery into IM (21 mins) to help detoxify brain and body, to learn scan body part by part with increased sensation inside. Week 6: review and catch-up if miss any prior sections.