He's Her (The Vicarage Bench Series Book 2)

A casino owner from Vegas, Rhett Parks, was relaxing on a bench in a small English town. To his dismay, a young woman interrupted his sanctuary. A minute later, his body was out cold on the ground and he was taking up residence inside of the intruder - schoolteacher Carrie Temple - and without her permission.
Her first words get out didn't solve anything because he had no idea of how he got in. During the next few weeks they fought each other, taught each other and began to love each other, not an easy accomplishment considering the situation, but doable, as Rhett proved to sweet, naïve Carrie.
They became involved with strange Dr. Andrews who assured them he had the answers to solve their problem, but Rhett’s brother Ashley, who they turned to for help, was absolutely certain, that the man they were putting their faith in, was a charlatan and a quack.