I had a number of people ask me to better explain the usefulness of lunar returns. Clearly, I love them. I've been using them so long that they're an integral part of my life. They're baked in, part of my everyday existence. I don't think about them; I just live. But the questions people asked prompted me to analyze this.
The lunar return is personal. These charts and what I glean from them are private. It's kept "in house". You don't have to tell everybody everything or even anything. My lunar return describes what I am doing; that is none of your business! I'm going to breach that boundary to explain...
My current lunar return has most of the planets in the 7th, 8th, and 9th houses. This tells me I am going to be interacting with a lot of people. I'll probably be going outside my comfort zone this month.
That's fine, but there is one planet at the very base of the chart. It will affect how I feel. This thumbnail sketch is simple, but it gives an insane amount of information.
Nothing in the 12th - dreams are not a factor.
Nothing in the 5th - probably won't be around children.
You get the idea, and perhaps you can see the value of this knowledge. I know what I am doing and you do not know what I am doing!
To further clarify, I'll take a look at another month. One of my lunar returns shows a huge emphasis on my 7th and 9th houses. Also, my 3rd.