13. When Fred and George turned 8, Molly and Arthur decided to play a prank on their twin sons.

arthurlovesrubberducks:

George had put a rat in Molly’s drawer, and Fred had put slugs in Arthur’s shoes. A little fed up, Arthur and Molly plotted a prank for the twin’s birthday celebration, when all the children would be gathered. As soon as the meal was over, Arthur patted Molly’s stomach and announced “We’re having another baby!” Only Ron and Ginny were excited. Fred and George’s response were “Merlin’s beard, AGAIN?”