Curse the Moon
Prompt: Lost chance. Theme: Time.
Guinevere had said to meet her at sunset, and that he had better be prompt, because she would not wait into the night once more; time waits for no man, and neither would she- especially for a man she should not be meeting in the first place.
While Arthur felt that was not exactly fair- that had been a misunderstanding, not his fault- nor did he want to disappoint her again, so he threw extra effort into finishing up the hunting excursion for a visiting lord's son, which his father had insisted he lead.
When he returned to Camelot, the moon was already well into the sky, yet part of him hoped that she might have granted him leniency, as the outing was not of his choosing; still, despite the disappointment that settled into his heart, he could not blame her when he found her door locked and her windows darkened.