In her despair she did not notice what she plucked, but, as she passed through the portal, curiosity made her open her hand to look at the flower she had snatched.

To her joy it was the shamrock.

But while she looked, a gust of wind caught up the diamond leaf and blew it back within the gates, just as they closed behind her.

The name of that leaf was Perfect Happiness.

That is why men never find it in this world for all their searching.