Rachel Zucker talks with Sheila Heti and Sarah Manguso about literary friendship, Sarah’s two recent books, Sheila’s manuscript in progress, maternal ambivalence, uncertainty, sacrifice of self, envy, curiosity, being a daughter, attachment and unattachment, shame, the sickening state of wondering whether or not to have children, abandonment, money, the things we cannot choose, choosing intolerable feelings, whiteness, class, the poetics of motherhood, purity, polluted writing, and motherhood as a sexuality category.