A failing marriage often contains within it an amalgam of different feelings. It can brim with disappointment and recrimination, fiery arguments and acrimonious disdain, passive-aggression and boredom, lost hope and sexless nights. A writer’s failing marriage often contains material for a book. It has all the guts and gore of human relationships compacted into a linear and chronological storyline. It has a clear beginning and an end—and some tears and laughter in between.

At this point, the novel or memoir of divorce has become something of a distinct genre that exemplifies the elastic boundaries between adoration and contempt, and it also opens up all sorts of questions about the making and consumption of art. In her book of poems The Beauty of the Husband, Anne Carson offers us the story of a man who steals his wife’s notebooks when he leaves her for his mistress. In her memoir You Could Make This Place Beautiful, Maggie Smith tells us the parallel but incongruous stories of the end of her marriage and the ascent of her writing career. Just as she begins to make it as a writer, she must also wrestle with the consequences of her former husband’s past infidelities. In Aftermath, the novelist Rachel Cusk documents the rise and fall of her own marriage with deft precision, even going so far as to piece together the twisted logic of her husband’s dismay:

Call yourself a feminist, my husband would say to me, disgustedly, in the raw bitter weeks after we separated. He believed he had taken the part of woman in our marriage, and seemed to expect me to defend him against myself, the male oppressor. He felt it was womanly to shop and cook, to collect the children from school.

One can understand the impulse behind these books: The breakup of a marriage—whether you’re a writer or not—can be full of high drama, mortal combat (sometimes literally), and philosophical musings. The agony and poisoned emotions that seep into a dreadful marriage can often be difficult to look away from—and they can provide the stuff of great art.

Leslie Jamison’s new book, Splinters, is a case in point. It’s a memoir that tells the story of her marriage from beginning to end, but it also tells another story—of how Jamison stopped being a wife at the same time she became a mother. As an essayist and novelist, Jamison has been open to incorporating herself into her work in the past. She has written a novel about an aunt and niece who reckon with abandonment and death (The Gin Closet), and nonfiction works that have mined her own uncanny obsessions (Make It Scream, Make It Burn) and a difficult period in her life in which she overcame addiction (The Recovering). Jamison has always been bracingly honest about her experiences, and yet her books have always been about the world as much as herself. As she observes in The Recovering, she wrote her story in the first-person, but “nothing about recovery had been singular. I needed the first-person plural because recovery had been about immersion in the lives of others.” This is true of Splinters, too, in which Jamison transforms her personal tale into one about a set of often unanswerable questions relating to love, marriage, and motherhood. Narrating the details of her bodily transformations during pregnancy and her emotional changes as she becomes a mother and grows apart from her husband, Jamison weaves a story of marital friction and motherly love that is as much about the world as it is a reflection on the self.

Splinters begins not with the story of a divorce but with one of falling in love, living and writing in New York, dating before and after marriage, finding a way to curate friendships, getting pregnant and becoming a mother. Love is a theme of the book, as is distance, pain, confusion, and falling out of love. My tender heart melted as I read about how Jamison began to fall in love with C, her former husband, whom she met in the kitchen of a shared writers’ space in downtown Manhattan. When they first spoke, they compared tattoos; she recognized his from the author photo in a New York Review of Books piece on one of his novels. “Falling in love with C was not gradual,” Jamison tells us. “Falling in love with C was encompassing, consuming, life-expanding. It was like ripping hunks from a loaf of fresh bread and stuffing them in my mouth.”

Oscillating between her story of marriage and her story of motherhood, Jamison registers the thin jolts of tension that begin to harden into resentment, frustration, and even anger amid all this love. After she gave birth, she writes, things got worse: “Now that we had a child together, I felt so alone parenting. We both did.” A few endearing moments surfaced between her and C during the early stages of their parenting life. But she found that as her maternal pride grew, her matrimonial passion dissipated, and she and her husband began an interminable breakdown.

A failed relationship can result from an absence as much as a rupture—and that was the case with Jamison and C. “Unless you say otherwise, people assume the end of a marriage involves an affair,” she writes. “So I am saying otherwise. This one did not. Just the mistake of two people believing they could make a life together, when in fact they couldn’t. Which is its own betrayal.”

Like much of Jamison’s previous work—from 2014’s The Empathy Exams to 2018’s The Recovering—Splinters is deeply interested in the social and emotional layers of the body. But in Splinters, Jamison adds new dimensions to this interest. She wrestles not only with her bodily metamorphosis during pregnancy but also with her postpartum state. Jamison catalogs her baby’s cries and giggles and cycles through breastfeeding, which, she explains, is far from a passive or indolent task but instead requires arduous attention to sustain a newborn’s life. “Her tiny voice turned my nipples electric,” Jamison writes, “as if they’d just brushed against a power outlet. The milk came out in little spurts, like arterial gushes from a wound, soaking the Versace blouse that wasn’t mine.”