((you lived in an apartment with your girlfriend, who is a mermaid in disguise; however, sometimes she would transform into her mermaid form in the middle of the night for no reason... a nocturnal emermission, if you will)) you are fast asleep until you feel something flopping against your leg; you look over at your girlfriend, who's giving you a neutral stare, and you pulled up the bed covers to see her blue mermaid tail flopping around — "second time this week..."