Doesn't this slob come out with one of these revelations every couple of weeks? Amy Schumer says abusive ex threatened her with knife in new book BY PETER SBLENDORIO NEW YORK DAILY NEWS Tuesday, August 16, 2016, 10:26 AM according to People magazine. "And that's when I was sure he was going to kill me." "The Girl with the Lower Back Tattoo" was released on Tuesday. But that frightening incident wasn't the only example of abuse the "Trainwreck" star remembers facing during the relationship. Meryl Streep wants Amy Schumer to portray her in a biopic Schumer says her boyfriend at the time — who remains nameless in the book — pushed her to the ground during arguments and regularly criticized her appearance. In another instance, she claims he banged up her head and elbow after shoving her onto the hood of a car. That same night, Schumer recalls the man shattering a mug over his own head and smashing himself into a light pole. Later that disturbing evening, she says, he threatened her with the knife. "It can happen to anyone," Schumer wrote of the abuse. "You're not alone if it's happening to you, and you're not exempt if it hasn't happened to you yet." The 35-year-old "Inside Amy Schumer" star also got serious about her mother's infidelity. She revealed her mother had an affair with her best friend's dad and left her father when she was 13. "One day after school I came home and saw my mother slumped on the couch. She'd clearly been crying hard," she wrote. Schumer, recalls her mother, who taught deaf students, using sign language to drop the bombshell revelation that turned her life upside down. "I am leaving your father," she told her daughter. "Lou and I have fallen in love with each other." Amy Schumer to guest star on three animated shows in one night The comedienne says she comforted her mother following the admission, though she now sees how troublesome the situation was. "I was a child, new to my teens, and she was treating me like a seasoned psychiatrist," she wrote. The memoir — which is comprised of a series of honest, often funny essays covering Schumer's life and childhood — hit book shelves on Tuesday.