Board Thread:General Discussion/@comment-5073096-20141215153826/@comment-5205908-20141215154941

You might need to set the terms for when the 2nd curse took place specifically. In episode S03E12, it's when we see Storybroke again, showing the Dark Curse has been used a second time. In episode S03E19, it's when we see the flashback that Snow and Charming casting the Dark Curse. Hope this helps