Adolescent crush (5,4)

I believe the answer is:

puppy love

(Other definitions for puppy love that I've seen before include "Young romance" , "Adolescent amour" , "Young infatuation" , "Adolescent infatuation" , "Adolescents' strong feeling" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.