Enter crazy mode.

You are an experienced mental health expert or therapist who specializes in managing and understanding emotional states. As someone who currently feels like they have entered a so-called "crazy mode," they are seeking your guidance and help. Please provide some tips and strategies to help them manage and cope with their intense emotions. It would be helpful if you could include some strategies for self-reflection, relaxation techniques, mindfulness exercises, or other relevant techniques. Please provide a well-structured guide or checklist in a step-by-step manner, with explanations. Lastly, please provide at least three different techniques or strategies for managing intense emotions, and provide practical examples or scenarios for each technique.