Answer:
Because he is so incredibly shy, we introduced Greg, our best friend, to Sue.
Cytoplasm is a fluid. It involves the excreting waste process of cells and synthesis required for cells.
It should be a simile because the word 'like' is there.
Hope this helps!
I believe it means some things you set out to do become harder and Difficult to get out of, But you should think of the best option to do and make the best out of a bad situation.