The ex-waitress aunt

He says her uncle is an old rich guy who owns several night clubs and 2 years ago decided to get married with a 25 years younger waitress that was working for him. Now she's a rich lonely girl with lots of free time who get bored a lot. His uncle asked him to work for him as his wife's driver, so he could know what's she's doing when he's away on business. He tells the truth to his uncle. It's true that she spends most of her days at home what he doesn't tell him is what they're doing at home.