We have a thread for posting our best LDs, but here I want to learn something else - what was the dream, or even the image or the moment, which brought it home to you how powerful lucid dreaming was, what real and rewarding adventures it could give you? What was the moment when you first set your anxiety aside, licked your lips and said “This is gonna be good!”? 
I’m hoping these stories will be not only fun to read, but an inspiration for new dreamers: as I’ve written elsewhere, it’s so easy, in the months after discovering lucid dreams, to get bogged down in a sense of what you can’t do or how remote your final victory may be, and it’s hugely important for us to remind people of the limitless hopes and ambitions they had when they first arrived.
You may have more than one! I’ll start with one of my own.
SPOILER - Click to view
Summary
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I remember a foggy, amorphous experience, very disappointing and very familiar, where everything was grey and unreal and clearly about to disintegrate. Sooner or later my lucid dreams had all ended in that so far. I’d been trying without any success to incubate a Mass Effect dream for many months: I suppose that would roughly date the experience. But this time, despite all my failures, I stuck tenaciously to my idea and promised that I would make something - anything - of this dream. I’d read WritersCube’s journals. I knew it could be done, I just didn’t believe it could be done. But I held on, like Menelaus wrestling Proteus, determined that I wouldn’t stop fighting till I woke up (my way of greeting my dreams was a lot more adversarial then than it is today!) Gradually, the walls of grey resolved themselves into brown clouds, massive yet fast and frighteningly near - both above and below me - which I took for the upper atmosphere of a gas giant, and I found my hands grasping the stick of a shuttle or gunship which gradually built itself around me.
The scene grew as clear and vivid as waking life, then more so. Using the 1980s-style, wonderfully tactile, instruments with their little green lines and dots, I shook with excitement and physical fear as I set the ship down at a floating research station which was almost invisible in the thick, troubled sky. It was one of those perfectly balanced dreams where you are lucid, but also immersed enough to feel a real stake in the adventure. As I hopped out, the brown masses were boiling over the landing pad with breathtaking swiftness, ground crew shouting and waving their arms incomprehensibly under the loud whine of the engines. I ran across, against the bodily push of the wind, to an airlock. I remember vividly how a close but welcome silence suddenly set in as the fancy sci-fi door slid shut and I was left alone with my own breathing and the unexpected tapping of rain on the glass pane.
Then I remember turning and looking - that was the moment I realized that this whole world, this whole adventure, all the feast of delicious reality which no VR will ever rival, were being handed to me on a silver salver; that I could explore and discover and enjoy without any restriction save the moral law and my eventual awakening. And that I could go back every night. 
As I was digesting the thought, Liara T’Soni came round the corner with her white-coated team and said,
“We’ve been expecting you! Come and see the lab.”
This was before the Master Key, but it was the moment when the dreamworld stopped being something disappointing and became something limitless, like pushing through the fur coats into the real, wild cold of Narnia.
My first Lucid dream was like yours in my dream i was with my brothers and when i jumped i flyed sudden i realized OMG i am dreaming that was amazing experience ever i was very happy at that time Sometimes I would jump, sometimes I would flyed I was telling everyone that I am dreaming. Everyone would look at me strangely when I told them that I am dreaming.