Lets use the example of a person having a fear of abandonment to illustrate the Twelve Nidanas of dependent origination.
1. Ignorance (avijja): The person lacks understanding of the true nature of reality, including the impermanence and interconnectedness of all phenomena.
2. Mental formations (sankhara): Due to ignorance, the person has formed habitual patterns of thinking and behavior rooted in fear and a need for security.
3. Consciousness (viññana): The persons consciousness is conditioned by these mental formations, making them prone to experiencing fear and attachment.
4. Name and form (nama-rupa): The persons body and mind (psychophysical constituents) manifest in a way that is susceptible to fear of abandonment.
5. The six sense bases (salayatana): The persons sense organs (sight, hearing, smell, taste, touch, and mind) interact with the external world, perceiving situations and relationships as either safe or threatening.
6. Contact (phassa): The person encounters a situation (e.g., a partner expressing a desire to end the relationship) that triggers fear of abandonment.
7. Feeling (vedana): The person experiences an unpleasant feeling as a result of the contact with the perceived threat of abandonment.
8. Craving (tanha): The person develops a strong desire for security and stability to alleviate their fear.
9. Clinging (upadana): The persons attachment to their desire and fear of abandonment intensifies, leading to cling to the relationship or to the partner, and to possible patterns of control and manipulation.
10. Becoming (bhava): This clinging reinforces the persons habitual patterns and karmic tendencies, and it can take the form of manifesting as a committed, but increasingly emotionally unstable, relationship or an inability to enter into deeply connected relationships.
11. Birth (jati): The persons fear of abandonment manifests in various ways, such as anxiety or paranoia, incoherence of emotions, even codependence.
12. Old age and death (jara-marana): Unaddressed fear of abandonment can lead to further mental, emotional, or interpersonal difficulties, perpetuating negative consequences in future situations or lives.
In this example, we see how the Twelve Nidanas apply to the fear of abandonment, revealing the interdependence of all aspects of experience. By understanding these interconnections and the impermanence of all phenomena, a person can cultivate clarity and wisdom, and work towards breaking the cycle of fear and attachment, and fostering healthy relationships.

How to break cycle at each point:

To break the cycle of fear of abandonment at each point of the Twelve Nidanas:

1. Ignorance (avijja) - This could be addressed through learning and practicing the Buddhist teachings that remind us of the nature of impermanence and interdependence. Recognizing that relationships and circumstances are constantly changing, and that nothing is permanent, can help reduce fear and attachment.

2. Mental formations (sankhara) - By consciously examining and transforming our habits and patterns of thinking and behavior, we can reduce the habit of seeking security and stability in relationships. We can cultivate a sense of self-confidence and equanimity that enables us to remain stable and secure even when circumstances shift.

3. Consciousness (vijnana) - By developing mindfulness and concentration, we can become more aware of how our minds perceive and interpret situations. We can work to interrupt negative thought patterns and replace them with more positive, skillful ways of thinking.

4. Name and form (nama-rupa) - By developing a stable sense of self-worth that is not dependent on external circumstances, we can reduce vulnerability and insecurity. We can learn to tap into inner resources of strength and resilience, and cultivate a sense of love and compassion for ourselves as well as for others.

5. The six sense bases (salayatana) - By learning to observe and understand our senses, we can prevent interpretation of situation or behavior that is unwarranted or inaccurate. This can help reduce the tendency towards projection and miscommunication leading up to these fears.

6. Contact (phassa) - By developing a positive and loving relationship with our partner, we are more likely to communicate in ways that help one another repair and renegotiate dynamics. Its important to be aware of the intention behind interactions with our partner, and strive to let go of attempts of manipulation and control.

7. Feeling (vedana) - By developing the ability to stay with our feelings as they arise instead of reacting to them in habituated ways, we can avoid getting caught up in fear and anxiety. We can learn to sit with unpleasant feelings, with compassion and mindfulness, allowing them to pass, eventually reducing their impact on clinging and craving.

8. Craving (tanha) - By examining the causes and effects of our craving and attachment, we can work to detach from them. This involves cultivating insight into the nature of impermanence and suffering, and developing a mindset of non-attachment and non-clinging.

9. Clinging (upadana) - By recognizing our patterns of clinging and attachment, we can work to release them. This involves cultivating mindfulness and awareness of our emotions, thoughts, and behaviors, and learning to let go of negative tendencies that lead to suffering.

10. Becoming (bhava) - By understanding and working to break the cycle of clinging and craving, we avoid creating more karmic consequences that will lead to further suffering in the future. We can work to develop positive karmic actions and intentions, which can lead to greater well-being and freedom from fear.

11. Birth (jati) - By recognizing that our habits and behaviors create the conditions for our life experiences, we can work to create more positive relationships and circumstances. We can cultivate a mindset of clarity, compassion, and skillfulness that helps us lead a life free from fear.

12. Old age and death (jara-marana) - By recognizing the impermanence of all things, including ourselves, we can cultivate a sense of peace and acceptance. By practicing mindfulness meditation, we can develop equanimity and a sense of groundedness that persists even as the cycle of life and death continues.