The Rules of Engagement: Choose a bride from this year's debutantes. Decide on a proper settlement. Send an announcement to The Times. Inform the bride of her good fortune. Rules of Respectability Devon Mathewes, earl of Kerrich, has a plan that is sure to restore him to the Queen's favor.First, he must hire a sensible, unattractive governess. Next, he will see to adopting a properly grateful orphan, which will surely lend him a patina of respectability. Finally, he must obtain a guarantee that his orphan and the governess will better his character and reputation without unduly disturbing his life--love life or otherwise. Rules of Passion As a condition of accepting the governess position, Miss Pamela Lockhart of the Distinguished Academy of Governesses has a few rules of her own.