“My life purpose has always been to make Mom happy, to be who she wants me to be. So without Mom, who am I supposed to be now?” writes Jennette McCurdy in her memoir “I’m Glad My Mom Died.” Best known for her performance as Sam Puckett in the children’s television series “iCarly,” McCurdy published her controversially-titled memoir on Aug. 9, 2022. Above all, “I’m Glad My Mom Died” is a meditation on an unhealthy parent-child dynamic.