Love at First Sight (Rogues and Rakehells #7)
Lindsay Downs

An unexpected visit from the Earl and Countess of Rosewood upsets his life when they invited him to join them in London. Reluctantly he accepted warning them that no lady would give him a second look.
At a dinner party held by his sister Oliver meets Lady Patience. As their affections for each other grow, so do veiled and not so veiled threats.
With several former rakehells and their wives it is decided they all retire to the country estate of her parent’s the Earl and Countess of Langnash. There they organize an impromptu house party. During the event the wives of the rakehells inform Lady Patience of a most unusual tradition.