What is the rhetorical device in everest by erik weihenmayer ?

love, how my life is right now. you can be loved and can love others. sometimes you dont feel loved right now, dont worry, someone out there is loving you while you are away.

the narrator is a first person, participant one, who describes in the simple past tense important and difficult events in his earlier life. he also provides temporal markers as the month (january) and the time (12: 30 pm). finally the account of his experience is very detailed, to the extent that a participant narrator would talk the same way about his experiences. a good example of such detail is the mention of the “bovril ration” which historically was a native american food adopted by european explorers in arctic and antarctic regions due to its high level of calories.

i would believe it would be b., the author wants to draw the reader deeper into the experience