In Lamb to the Slaughter, how would you explain the language technique in the quote, "She fell right into Jack Noonan's arms."

This expression must be a hyperbole, an exaggeration. Most
of the time when we fall, no one is there is pick us up, let alone falling straight into
someone's arms. The act of falling into someone's arms would mean that you didn't
experience the hard fall that was expected. They saved you some pain like a scrapped
knee. In literature, it usually refers to when a woman falls in love with a man. He
"catches" her in a sense. He finds her interesting enough a person to begin a
relationship with her. The woman is saved the hard fall of not having a man who cares
for her. Of course, it is proper to have the scene reversed when a guy falls into a
girl's arms. Equal rights, you know.