My diet was going well until the new chocolate store went in down the street, chocolate is my Achilles’ heel.

A reference in a work of literature to a character, place, or situation from history, music, or another work of literature.

"If you want my opinion on the mystery of life and all that, I can give it to you in a nutshell. The universe is like a safe to which there is a combination. But the combination is locked up and safe."

Repetition of successive lines in separate sentences of phrases in a text.

What rhetorical device is being used?
"We will pass the test! We will be high achievers! And we will celebrate by eating donuts!"

“Shoes, my beautiful new shoes. You’ll look great with my black plaid skirt.”