I was the sort of loose forward who lay contentedly on the bottom of a ruck, composing sonnets on the one hand and, on another plane, contemplating applying the squirrel grip to an opponent.

Shall I compare thee to a summer's day?

Don't bottom fish

If you move into the quicksand, this loose packing will collapse. We then have densely packed sand at the bottom, and water floating on top of it. It's the difficulty of getting water into this very densely packed sand that makes it difficult for you to pull your foot out.

You can also have oil leaking out of your bottom that was part of your stool, so it's sort of brown-colored and foul-smelling.

Hurry! I never hurry. I have no time to hurry. - Responding to his publisher's request that he hurry his completion of a composition.