When he returned to his dorm, he started on his project quickly, hoping it'd take his mind off of the past 10 hours.
And it did, at least until his gray cellphone started to ring in his pocket. His mind darted up with, "What if it's Dean?" and, "What if he's angry at me?". Cautiously, he pulled his phone out, and opened it slowly with his eyes closed. Opening one eye, he peered at the caller I.D - it was Meg, his roommate. He laughed at himself silently for even thinking that Dean would call him, then he answered the phone.
"Hey," he said. "You still thinking about frat boy, or have you finished the damn project?" Meg sneered into the phone. Castiel had forgotten about going on endlessly about Dean to Meg the day they ran into each other. Castiel talked for hours about him, while Meg gave him the occasional, "Yeah," that usually came with an accompanying eyeroll. Castiel had forgotten, and his forgetfulness served as a painful reminder that Dean would probably never speak to him again. "I'm working on it." he replied sternly. "Okay, okay, no need to get bitchy. Call me back when you're done." Castiel grunted in response, then hung up.
Cas was seeing Dean Winchester's face in every small thing, and he only then began to realize how deep his infatuation really was.