They called it a sitcom on paper: half-hour slots, laugh track cues, and a living-room set that had seen better upholstery. But by Volume 7, the show had become an elaborate, bruised-but-loving anatomy of a marriage. “Still Married with Issues” traded pratfalls and punchlines for micro-epics about compromise, resentment, affection, and small betrayals—done with bright lighting and a chorus of canned applause that never quite matched what was happening on camera.