Read the following context and answer the question.
Context: I assured her before leaving her home . It was no trouble to take the boat back across the river to Vos . It did n't take long at all plus the female shipmaster - who was obviously starved for a man and was making eyes at Julan - only charged us a single gold coin to take us to the Vos docks . When we reached Vos , a male Dunmer noticed Julan and exclaimed , " Aha , my best customer !
Question: Why is the narrator convinced that the boat can return to its dock ?
Answer:


None of the above choices .