I'm so glad you brought up Stanley Roper. Norman Fell plays Stanley for laughs, but don't underestimate Norman Fell. He is a deep thinker, and here is what he said during an interview while the show was on top.
“I don’t like flamboyance,” Fell professes. “I would never own a Rolls-Royce.” He and Karen drive suitably chic old-model Porsches. “I like understating elegance,” he continues. “I like a raincoat with a mink lining. Nobody sees the lining, but my wife knows it’s there.”