Doonesbury by Garry Trudeau for October 27, 1975
Zonker: Thanks for calling, Dad... I'm sorry, man... be cool, okay? 'Bye. *sigh*... poor ol' Dad... Mom split again. Mike: You're kidding! Zonker: No big deal - it's a very familiar scenario. They quarrel. Dad yells. Mom roars out of the driveway in a spray of gravel. And then Dad goes to pieces! Mike: My God, wouldn't you? Zonker: Heck, no - it's just Mom's way of getting out of the house one and a while! Mike: Oh.