Why did the narrator object to the sea trip?

The narrator objected to the sea trip due to a combination of personal anxieties and concerns about the dangers associated with maritime travel. They felt apprehensive about the uncertainties of the journey, including potential illness and the unpredictability of the sea. Additionally, past experiences or fears of confinement in a small space likely contributed to their reluctance. Ultimately, their objections stemmed from a deep-seated discomfort with the idea of being at sea.