Do you want a story of this? Perhaps a man coming to an adult literature site "instead of his usual visual porn" and is surprised by how much he enjoys his experience there? So, he sticks around, registers a name, and begins "talking" to the other members of the site?
...he then thinks of a story that he's been dreaming about. The one that has been causing large stains on his bed. He moves his mouse pointer over the link to start a new thread. A new page appears. He heart is racing as he moves his mouse pointer to the text box for the subject. He click's the left button on his mouse. His has tremble as he moves them over the keyboard...