His Ample Desire by Terri Mackenzie

“Believe me, darling, the last thing I intend is to fall in love.”

Widowed and notorious, Lady Caroline Spenser is no stranger to scandal. Her lovers are among the highest-ranked gentlemen in London, and she relies on their generosity to fund her extravagant lifestyle—and a secret obligation.
Mr George Comerford is the son of a viscount and leader of the ton, having painstakingly established his reputation. At the age of thirty and with an ailing father, he is expected to marry, and well.
Five years his senior and a widow to boot, Caroline is far from the ideal wife. But taking her as his lover challenges everything he knows about himself and his ambitions. For her, he would risk his entire reputation.
But she has not survived the ton this long by trusting every man who comes into her bed, and she doesn’t intend to start now. Even if George is all her foolish heart could ever want…