Final answer:
In the future, the bachelor thinks the young lady expects a man to 'carry her off'.
Step-by-step explanation:
The bachelor thinks that in the future, the young lady will expect a man to 'carry her off', implying that she wants someone to take her away or rescue her. This is indicated in the text when the bachelor wonders if she has already left because he hears the sound of a door shutting. The bachelor's thoughts about the young lady's future reflect his perception of her character and desires.