Infertility

One-shot: Hermione Granger-Snape burst into their shared chambers at Hogwarts at the end of a long day of teaching. "Severus. Bedroom now!" she commanded as she warded the entrance. Severus Snape looked up from the mountain of parchment he was grading on the kitchen table and groaned inwardly. 'When had sex become so transactional and unenjoyable' he thought to himself.