In his upcoming memoir Entrances and Exits, out June 4, Richards writes about being diagnosed with prostate cancer in the summer of 2018, after a routine checkup showed high PSA levels. He was diagnosed with stage 1 prostate cancer. "I thought. well, this is my time. I'm ready to go," he tells People of receiving the news. "But then my son came to mind just a few seconds later and I heard myself saying, "I've got a 9-year-old and I'd like to be around for him. Is there any way I can get a little more life going?"