It's not exactly what it sounds.
It's the story of a boy/girl that thought the girl in the poster was another girl.
But it was THAT girl.
And he/she doesn't like her.
And what happens next? She/he listens to music. That calms her/him down.
Listening to: Neighbours complaining
Reading: Some news.
Watching: Just finished Breaking Bad S5E8.
Eating: For the first time ever, Skittles.