Kit is lonely after her break up with William. She still does not feel at "home" in Connecticut, although the Woods have become her family. Her cousins are getting married, and she feels left out. Not only that, but she is uncomfortable with the Puritan lifestyle, even more so after having been persecuted herself. She plays with the idea of selling her dresses so that she can afford to return to Barbados.
A better opportunity presents itself. She meets Nat Eaton again, and realizes how deeply she loves him. The two connect instantly, and the future is clear - the will marry, and they will sail on Nat's boat, not remaining in the confined society of New England.