That’s it! Merl has reached his breaking point! He isn’t gonna take any more abuse from those nasty Mer-People. He’s off to the human world to find respite.
Mer-Lad: "Everyone's always picking on me because I'm small... WELL I'VE HAD ENOUGH!! Maybe I'll be better off in the human world! Humans can't be any worse than Mer-Folk!"
Mer-Lad: "Zowie! A human ship!"