Cassie who?

Don't dare mention her name in my presence. Don't remind me what I gave up. Don't remind me how lost I am without her.

He laughs a little too loud at a joke one of his friends just shared. He needs to convince everyone, himself included, that he's not bothered by the break up. But he is.

His eyes search for her inside the cafeteria until they fall upon her. She's lost a lot of weight since last term, he doesn't recognise her.

What have I done? He asks himself.