The emphasis in on the character, his or her feelings, motivations, and interior life. A clear plot may exist but the interior life of the character is of as much importance as is the plot in importance.
Yes, memoirs are still the stories of our family or our own stories, our history, but they may also overlap with some of the perspectives seen in fiction.
As you write your story or your scene, think about what you see, smell, feel, hear, and even taste, if there is a tray of cookies waiting in your scene.
Give the person a deadline for when you need the manuscript back – if you are giving them the manuscript to them and not reading it to them. Give them a reminder a day or two before your due date. You might say, “I have worked out for Wednesday to be my manuscript workday, so I would appreciate what you have been able to do for me before Wednesday.