Find title and author Historical Romance

British/Scot?
Medieval time period
Young bride who falls into a haze when her husband makes love to her
He turns to a woman in his household telling her to rinse her mouth before she comes to him
Young bride mounts a very dangerous horse of her husbands to find him worried about his safety
He is astounded the horse let her ride it
Book is in a series

The horse might be in one of the Julie Garwood books in The Lairds series, but I don’t remember that comment in any book.