Answer:
The author shows that he has a certain coexistence and familiarity in matters related to ocean exploration.
Step-by-step explanation:
When the author reports that his father and grandfather are influential names when it comes to ocean exploration, he emphasizes that he has some familiarity in terms and concepts related to that subject and although readers may be disappointed that he has just set foot in During his exploration, he says he knows what he is doing and can go deeper if necessary.