Here are some steps that can help you let go of something:

1. Acknowledge your emotions and accept how you feel. It's okay to feel sad, angry, or hurt.
2. Identify what you can control and what you cannot control. Focus on what you can control.
3. Practice mindfulness and meditation. This can help you stay present and calm.
4. Write down your thoughts and feelings in a journal. This can help you process your emotions.
5. Talk to someone you trust about how you feel.
6. Create new experiences and memories to replace the old ones.
7. Forgive yourself and others for past mistakes.
8. Seek professional help if needed.

Remember that letting go is a process that takes time and effort. Be patient with yourself and take it one day at a time.

I hope this helps! Let me know if there's anything else I can do for you.