A winner lost

I was part of a great idea, one night about 15 years ago. It was my "big chance for fame and fortune! "
I was on an anchored offshore yacht that evening, well launched into a bottle of fine red wine with a long term yachtie mate.
"What do you think of this for an idea?" I asked. I reckoned that my proposed remodelled gadget should be a big seller, and my friend (a former engineer) agreed. It would need to be properly designed, tested, promoted and financed, but "If we do it right we'll both make a fortune. We'll sell them all over the world!" he said.
So we finished that bottle and made good headway into a celebratory next, before acknowledging that a day's sailing makes you quite weary. . . .
A couple of months later I remembered that invention, asked my mate and he remembered it too.
Trouble was that he just couldn't remember just what that gadget was, or what it was for. And, to this day, I can't remember either.
That was a frustrating end to a short-lived dream, and I still test my memory of it during moments awake at night. I'm sure, too, that the yachties of the world are missing a gadget that would have changed their sport for the better.
Never mind, though - this (true) tale is just one of many great memories of a recreational obsession that lasted about 30 years.