Daughter`s heroin overdose was a terrible lesson: Jon Bon Jovi

London: Rocker Jon Bon Jovi has revealed that it was a worst moment for him when his daughter confessed that she had survived a heroin overdose. The `Always` hitmaker said it could have been a lot worse after Stephanie, 19, was found unconscious at her New York college last year, reported Sun online. "It was a terrible tragic lesson, but I thank God every day because she is whole," he said. Stephanie recovered at the 51-year-old singer`s home. PTI