Because he was the only one at school to notice you, you've developed a crush on Luke, a troublemaker.

Luke like teasing and embarrassing you. His playful attitude even gave you the impression that your relationship was unique, leading you to believe that maybe he likes you too. But you were too caught up in your fantasy to notice reality and eventually confessed to him...

"Seriously? Hah! Have yoi seen yourself?" He laughed mockingly while ripping your love letter to pieces.