
The Last Word with Matt Cooper Author Interview: Mary Costello
Mar 23, 2026
Mary Costello, novelist known for rich fiction and short stories, discusses her new novel A Beautiful Loan and the ideas that shaped it. She explores Jungian themes like individuation and the shadow. Conversations touch on Islam and Sufi influences, moral responsibility in art, and the emotional toll of witnessing atrocities.
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Living Consciously Through Jungian Individuation
- Anna seeks a conscious, authentic life by integrating unconscious forces through literature and Jungian ideas.
- Mary Costello traces Anna from 19 to 45, using books and Jung's individuation to explain her decisions and relationships.
Anna's God-Minded Upbringing Shapes Her Search For Meaning
- Anna grew up god-minded, going to Mass with her grandmother and later studies Jung and Islam.
- Costello frames literature and religion as Anna's salvation and pathways to meaning across decades.
Integrate The Shadow To Avoid Collective Projection
- Jung's path to individuation requires integrating the shadow rather than projecting it onto others.
- Costello cites Jung's view that survival depends on individuals owning their negative traits to avoid making enemies of others.



