This book feels less like reading a story and more like excavating a family bruise. I do not think I have ever read a novel that understands so precisely the way siblings become part of your internal architecture, not just people you love, but people who literally shape the way your mind moves through the world.
What struck me most is how Blue Sisters understands that grief is not cleanly emotional. It is behavioural. Physical. Generational. It sits in posture, addiction, hunger, ambition, avoidance, cruelty, tenderness. Nicky dies before the novel even properly begins, yet she remains the gravitational centre of every room. Every sister is still orienting herself around her absence like planets around a dead sun.
And God, that felt true.
Lucky, Bonnie, and Avery are all trying to outrun the same thing in completely different ways, but the novel understands that family follows you anyway. Especially the family that formed you. Especially the parent who lived inside the walls of the house and then somehow ended up living inside you too.
Avery absolutely destroyed me for this reason.
She is probably the most “functional” sister on paper – disciplined, successful, hyper-controlled – but Coco Mellors writes her with this constant underlying tension as though she is holding herself together with clenched teeth. The line about Avery growing up in a house where “she and her sisters had everything they needed, but not what they wanted, which was space” felt like someone reaching into my ribcage and squeezing my lungs.
That is Avery entirely: someone who survives by becoming smaller, quieter, more controlled than her own needs.
And then there is the father in her. Constantly.
One of the most devastating motifs in the novel is the way children inherit not only their parents’ features or habits, but their emotional weather. Avery says of her father: “They lived inside his moods” And the horror is realising she does too. She has spent her life terrified of becoming him while simultaneously carrying him everywhere. The novel understands that children of volatile or addictive parents often become obsessed with self-regulation because they grew up inside unpredictability. Avery’s control is not elegance; it is survival instinct.
The scene where she realises that her need to hold onto the apartment, onto her sisters, onto structure itself, is tied to feat rather than love absolutely gutted me. There is something so painfully human about realising your devotion is partially terror.
Bonnie, meanwhile, feels like the physical emobiment of grief and anger. Everything in her life is movement: boxing, bruising, endurance, impact. She lives through her body because feeling things directly would annihilate her. Yet underneath all her toughness is this almost childlike longing to be held safely by someone. The passages about boxing are not really about sport at all, they are about giving pain structure. About transforming chaos into rules and motion and ritual.
And the way Bonnie remembers Nicky is unbearable because it is so ordinary. Not cinematic grief. Not poetic grief. Just the constant small return of somebody in your mind. The body memory of them. The unconscious instinct to text them. The feeling of still orienting yourself toward them years later.
The line that probably stayed with me longest was: “Most people forget that phrase comes from boxing [throw in the towel]. It’s often said casually enough now, in the context of humiliation. Many fighters would rather die in the ring than have their corner quit on them. A boxer can recover from a loss, but not from abandonment.”
That is not just Bonnie. That is the entire novel.
Every sister is terrified of abandonment in different forms. And Nicky’s death reopens every childhood fear they had already spent years building coping mechanisms around.
Lucky hurt me differently because she is written with so much compassion beneath all the chaos. Lesser novels would reduce her to “the addict sister”, but Mellors refuses to flatten her that way. Lucky is all appetite and loneliness and performance and desperation to be loved before she disappears. She reminded me of those people who seem incandescent socially because they are trying to outrun silence. Her scenes feel glittering and nauseous at the same time.
The line: “She had no real reason to return. Also, she couldn’t help feeling Avery’s desire to hold on to the place was also her way of keeping the family dependent on her.”
– that perfectly captures sibling dynamics in adulthood. The strange resentment that exists inside love. The way families silently assign roles to each other and then panic when somebody tries to leave theirs.
And Nicky… God.
Nicky barely exists in the present timeline, yet she feels more alive than half the living characters. That is exactly how grief works sometimes. A dead person becomes hyper-defined because memory freezes them in fragments: gestures, phrases, habits, old jokes, the shape of their suffering. The sisters remember her differently, but all of them still move around the crater she left behind.
I think what I loved most about this book is that it never tries to romanticise family while still insisting that familial love is one of the deepest forces shaping human beings. Your family becomes your first language. Your first weather system. Your first religion. Even when you escape them physically, they remain in the architecture of your thoughts.
The novel understands something terrifyingly true: sometimes adulthood is just slowly discovering which parts of yourself are actually inherited wounds.
And despite all the addiction and grief and destruction in this novel, I strangely found it hopeful. Not because the sisters become perfect, but because they keep choosing each other anyway. Again and again. Even after resentment. Even after distance. Even after loss.
There is a line early in the novel: “A sister is not a friend.”
And the older I get, the more I think that is true. Friendship is chosen. Sisterhood – whether biological or found – feels older than choice somehow. More primal. More frightening. Like somebody has permanently attached a thread from their nervous system to yours.
This book understands that terrifying tenderness better than almost anything I have ever read.
Still reading into everything,
diiyabooks
diiyabooks 
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