I can offer some strategies that may help you work towards achieving indifference and letting go of resentment towards the narcissist:
Recognize that your feelings are valid: It's essential to acknowledge and validate your emotions, including anger and resentment. These feelings are natural responses to the narcissist's behavior.
Allow yourself to grieve: Letting go of bitterness doesn't mean suppressing your emotions. Allow yourself to grieve the loss of the relationship and the emotional toll it took on you.
Practice self-compassion: Be kind to yourself and understand that healing from a relationship with a narcissist takes time. Treat yourself with the same kindness and understanding you would offer to a friend going through a difficult time.
Focus on what you can control: Accept that you cannot change the narcissist's behavior or beliefs. Instead, focus on what you can control, which is how you respond to the situation and work on healing yourself.
Set boundaries and limit contact: If possible, minimize or cut off contact with the narcissist to reduce their influence on your emotions. Setting clear boundaries will protect you from further manipulation.
Engage in therapy or counseling: Speaking to a therapist or counselor can be extremely helpful in processing your emotions, gaining insights, and developing coping strategies.
Practice mindfulness and meditation: Mindfulness can help you become more aware of your emotions without judgment. Meditation can aid in calming your mind and reducing stress.
Challenge negative thoughts: Whenever you catch yourself ruminating on negative thoughts about the narcissist, consciously challenge those thoughts. Ask yourself if there's evidence to support those beliefs and try to reframe them in a more positive or balanced way.
Focus on your growth and well-being: Redirect your energy towards activities that promote your personal growth and well-being. Engage in hobbies, pursue new interests, and invest time in positive relationships.
Practice forgiveness (for yourself): Forgiveness doesn't necessarily mean condoning the narcissist's behavior. It means releasing yourself from the burden of carrying resentment. Forgive yourself for any mistakes you feel you made in the relationship and use the experience as an opportunity to grow.
Remember that healing from a toxic relationship takes time, and it's okay to have ups and downs along the way. Be patient with yourself and trust that with the right support and self-care, you can move towards a place of greater indifference and inner peace.