I feel like the planets retrograde is like all these planets decided to come back and ask questions.
Let’s say Saturn, it’s like the scary strictest teacher somehow come back and ask you if you need any help to answer difficult questions. So this teacher sits down next you and shows you how to solve the questions step by step, so you can do next one by yourself.
Mercury, it’s like the professional travel guide decided to take a day off and take you “non-touristic” tour. So this guide will point out all the small shops the locals go, or secret spots he usually doesn’t take tourists. In the end, usually these local tours are the best experience ever in the trips, maybe chaotic, maybe full of unexpected happenings, but discovering the country or city by yourself. It would deepen our understanding than the pictures and stories everyone knows from the guide books.
It’s all like that.