The Usher - erotic short story

It has been a long time since the divorce, and it doesn't feel wrong as such to be so intoxicated by a student. Not when you know it can never lead to anything. After all, not a lot can happen when you only see him in the company of his classmates, and you have all the distancing authority that comes with being a university lecturer. But one night, when she meets him at the cinema where he works as an usher, the boundaries between them slowly begin to disappear until they end up becoming invisible...