The Real Housewives of New York City alum Bethenny Frankel urged others to learn from Rob Reiner's shocking death. "The Rob Reiner tragedy has reminded me of something I already know to be true," Frankel, 55, said in an Instagram video on Monday, December 15. "If you feel something - if you feel alarmed by something - or something makes you uncomfortable and you think the unfathomable, every situation like this is someone's child or parent or sister or brother or friend. If you see something, you say something or you avoid something or you protect yourself." Frankel - who has spoken about her abusive childhood - said she has "had situations where I have felt in threat of danger" and as a result she "acted accordingly." "Maybe something never would have happened but some things do happen and mental health, addiction and insanity or temporary insanity or rage or jealousy - all of these things that we see are cautionary tales," she continued. "It could happen to you." Kevin Bacon and More Stars React to the Deaths of Rob and Michele Reiner The caption for the social media post read, "Err on the side of caution." The advice came after Rob and wife Michele Singer Reiner were found dead at ages 78 and 68, respectively, from "apparent stab wounds," per police, in their Los Angeles home. Their 32-year-old son Nick Reiner was subsequently arrested in connection to the crime and is currently being held without bail. Nick has previously struggled with substance abuse over the years, with a source telling Us Weekly that Rob, Michele and Nick attended Conan O'Brien's Christmas party on Saturday, December 13. Nick allegedly acted "creepily" at the celebration before leaving, according to the insider. An outpouring of tributes have since come out as Hollywood mourns the loss of Rob and Michele. Ben Stiller called the tragic incident a "huge loss," adding via X, "Rob Reiner was one of my favorite directors. He made some of the most formative movies for my generation." He continued: "He came out [from] behind a huge comedic shadow of the great Carl Reiner and being a TV actor to being a great director who made an incredible run of movies. Spinal Tap is one of the best comedies ever made - and the list goes on. He was a kind caring person who was really, really funny. I didn't know him well but was always a fan and I feel a real sadness for those who did, and his family." Kathy Bates, who won an Oscar for her role in Reiner's Misery, said in a statement that she was "absolutely devastated" by the news. "I loved Rob. He was brilliant and kind, a man who made films of every genre to challenge himself as an artist," she told NBC News. "He also fought courageously for his political beliefs. He changed the course of my life. Michelle was a gifted photographer. She shot my beautiful photos for the Misery campaign. My heart breaks for them both. My thoughts are with their family." Rob Reiner and Wife Michele's Deaths: Everything We Know So Far Before their death, Rob and Michele candidly discussed their attempts to try to support Nick, 32, amid his struggle with addiction. (The couple, who got married in 1989, shared three children: Jake, Nick and Romy. Rob also adopted ex-wife Penny Marshall's daughter, Tracy.) "If your kid is going through rough times, [as] the parent, your main job is to keep your child safe. So I would do anything," Rob said during a Build Series interview in 2016. "At the end of the day, I know my child better than an expert does and I probably should have trusted my own instinct and that's one of the things I did learn about the whole experience." Rob revealed he apologized to Nick about how they handled his issues. "When Nick would tell us that it wasn't working for him, we wouldn't listen," Rob told the Los Angeles Times in 2016. "We were desperate and because the people had diplomas on their wall, we listened to them when we should have been listening to our son." Michele, meanwhile, added during the interview, "We were so influenced by these people. They would tell us he's a liar, that he was trying to manipulate us. And we believed them."