While at 57 she's ten years below the customary retirement age, she's utterly exhausted by the all the hard work she's done lately and needs to hang it up early. From 2008 to 2016 she organized some dinner parties and made a few occasional appearances at fundraisers held at five-star hotels. And, over the last four years, she has appeared on The View several times and flirted with George Bush. It's enough to exhaust anyone. A well deserved break!

Michelle Obama, the former first lady, hinted at plans for a graceful step out of the limelight and towards retirement, in a recent interview with People Magazine. She shared that the pivot would allow more time for her and husband, Barack, to “be with each other”.
https://www.theguardian.com/us-news/202 ... retirement