When did Mr. B propose to Pamela and how did her father become poor?

Mr. B the squire and Pamela go through a number of adventures before he asks her to marry him. He wants her without any strings at all, and then he kidnaps her. Later, he asks her to become his mistress with the understanding that after a year he will make her his wife, that doesn't go over either, and finally he allows her to return to her parents, but she never gets there. While in transit she learns that the Squire is ill, and she returns. It is because of his illness and her concern that the two finally realize their true feelings for one another.