Final answer:
The Doctor's specific feelings about Lucie's impending marriage are not mentioned in the given information, but other characters express positive views towards marriage.
Step-by-step explanation:
The Doctor's feelings about Lucie's impending marriage are not explicitly stated in the given information. However, in the provided text, we see examples of characters expressing positive views towards marriage. For example, in the first passage, Old Grannis describes marriage as a noble institution and the foundation of society. Similarly, in another passage, a character named John expresses his romantic feelings and desires to marry.
Overall, while the Doctor's specific feelings about Lucie's impending marriage are not mentioned, there are positive views towards marriage expressed by other characters in the given text.