Delilah opens up about son's suicide in 'One Heart at a Time'

(CNN) A little more than a year after her 18-year-old son died by suicide, radio star Delilah Rene is sharing her pain.[br /][br /]The loss of her son, Zack, hit the mother of 13 hard, she said during an interview with "Good Morning America" on Wednesday.[br /][Ads /][br /]"I couldn't write," she said. "I couldn't talk about it." [br /][br /]But the nighttime radio host was able to push through and complete her latest book, titled "One Heart at a Time."[br /][br /]She's hoping it will help further conversations about suicide.[br /][br /]"We need to talk about teenage suicide," Rene said. "We need to start having open conversations, as painful as they are, because it's epidemic."[br /][br /]After her son's death, Rene took a break from her syndicated radio show.[br /][Ads /][br /]Her loyal listeners have helped her pull through, Rene said.[br /][br /]"So many listeners sent the most beautiful thoughts and prayers and shared their own stories of loss and grief and what helped them get through," she said. [br /][br /]Rene said one year later, she still struggles at times.[br /][br /]"I finish the show and that's when it hits," she said. "Because that was our time together. My son was a night owl."[br /][br /][i](The-CNN-Wire ™ & © 2018 Cable News Network, Inc., a Time Warner Company. All rights reserved.)[/i]