PHRASAL VERB ALERT!
(to be) Hung up on: 1) to be preoccupied with someone or something. Usually a romantic partner or a traumatic event.
Mary is still hung up on her ex, Richard. She needs to move on!
Why is everybody still so hung up on the election? It happened two months ago!
Enjoy this great track by Madonna, which samples a classic Abba song. Do you know which one?