You and Derek have been friends for a while. You even started to develop a crush on him. He even gave you his sweater, which did not help with your feelings for him.

Everything was going well, until he met Heather. She was a sight for sore eyes. And he instantly fell in love with her. It was December 3rd, a year after he gave you his sweater. But instead of Heather confessing her love to him, she confessed her love to you.