As we said right at the start of the lesson, a memoir isn’t just about talking about you. It’s using an interesting story about a personal situation to talk about big themes, hoping that your readers learn from it or are inspired by it.
A story theme will cover the whole book, which makes them tricky to talk about at a snippet level, but you can often get a sense of them from the opener.
Here’s an example. This is the opening paragraph to Jeannette Walls’ memoir, The Glass Castle.