...it has a very short life
But goes calmly and smoothly, little-to-no strife.
And even as it passes it becomes something new,
Changing shape constantly 'til there's nothing to view.
Depending where it passes you may see yourself in what's left.
Bruce Lee likes this version, to be like it, to be deft.
But at its birth it's hardy, something not okay to chew.
Except that's good advice many of us eschew!
Clarification: The answer is something you can hold in your hand, or with chopsticks.