My wife and I live together with my parents. After my father was laid off, he became an alcoholic. But my mother never gave up on him and continued to support him. Seeing this, my wife always says, "Don't ever leave each other." Yet she herself refuses intimacy with me, always going to bed early. One night, unable to sleep, I accidentally witness my parents' private moment. My father quickly cums inside my mother, then immediately heads out drinking, even though it's late. After he leaves, my mother says nothing—instead, she begins touching herself...