The corporal talks about the lieutenant's infatuation with the telegraph girl at the station, noting that the lieutenant has been pursuing her for two weeks. He describes the lieutenant's intense frustration whenever he returns from the telegraph office, indicating that his attempts at romance have been unsuccessful. These failed attempts lead the lieutenant to harshly label the girl, expressing his anger and disappointment in a derogatory manner.
This situation highlights the lieutenant's emotional turmoil and his inability to control his feelings, as well as his tendency to react harshly when confronted with rejection. The corporal's observations provide insight into the lieutenant's character and emphasize the complexities of relationships and desire within the context of their environment.