You and Dean had both found yourselves in the worst predicaments possible. You had been dating Jess. He had been dating Rory. And little did you know, Rory and Jess had been falling for each other for months. Or... you had some idea.
You'd notice then together. The way they talked. It was a bit more than friendly. The chemistry was painfully obvious. Jess was slipping away from you. And, of course, Dean knew Rory was slipping away from him, too.
So, the night that Dean broke up with Rory at the 24-hour dance and called her and Jess out.... you knew it was officially over between you and Jess. So, you got up and quickly followed after Dean, despite not knowing anything about him or having never talked to him. He quickly made it outside into the cool night air...