This is the story of Edmund when he finds out that Lucy wanted to be just like Susan after the scene with the mirror in the Dawn Treader. He gives her a little lecture and he gives Caspian an insight on the job of an older brother. Disclaimer: I don't own any of the characters of Narnia or the plot.
Edmund Pevensie was an older brother. One of his jobs was to chase away all the boys who were after his little sister. The other was to bother her constantly. But the most important one was to comfort his sister after she got scared.
When Edmund went to bed, he felt a feeling in his gut. Like something was going to happen and he needed to be alert. Trying to be the good king, he sat up, waiting for something to happen. But like every other person who tries to stay awake, he fell asleep.
When he was woken up by a crew member shaking him by the shoulder, his first reaction was to pull out his sword at the possible threat, even though he'd been away from it for months on end. When Edmund realized that he wasn't in danger, he hastily drew his sword back into the sheath and apologized to the sailor. "Your Majesty, your sister is suffering from a nightmare. She's been screaming and kicking like mad. We thought you should find out what the cause of her despair is." Edmund immediately scrambled out of bed and straight to Lucy's cabin where like the sailor said, she was kicking and screaming. "Lucy." He gently shook her. No effect. She was still immersed in her nightmare. "Lu. Come on! Snap out of it!" Edmund shook her harder. Finally, Lucy gasped and her eyes flew open. Her blue eyes were filled with tears, threatening to trickle down. Edmund crouched so he could see her eye to eye. "Lucy? You ok?" The only response he got was Lucy bursting into tears.
Edmund was beyond shocked. Lucy was never one to cry, yet here she was, sobbing her heart out in his arms. For the millionth time, Ed wished that Peter was here. He was better at this type of stuff. In a heartbeat, Lucy would be laughing. "No," he reminded himself "You're not Peter. Peter's off studying for Uni." Lucy sobbed to the point where Edmund was afraid that she'd make herself sick if she cried anymore. "You want to talk about it?" He asked her softly, hoping she wouldn't cry again. Lucy shook her head. "Lu, that wasn't a choice. It's an order. I want you to tell me why you're so upset." Lucy hung her head as if she was embarrassed by something or someone. "What happened?" He urged.
"When we were in that castle. I found a spell that would make me beautiful life Susan." Lucy began. Edmund had a million questions already, but he forced himself to hold them while she told him her tale. "And then, when I walked out of the mirror. Everyone called me Susan and no one remembered me. It was as if I disappeared." Lucy sobbed "And then Aslan appeared. He told me that I was beautiful and I shouldn't have taken that spell. I'm so sure that I disappointed him." Lucy cried. Ed's head was spinning, unable to grasp everything his sister told him.
One question stood out to him "Why would you want to be like Susan." Ed asked curiously "Because she's perfect. She never makes a mistake, everyone always comments about Susan's beauty but not mine." Lucy yelled, "How is it that she had dozens of suitors and I never had one! She's Gentle, Beautiful Susan and I'm just Lucy."
Edmund felt his heart break at that statement. "Lucy, you're just as beautiful as Susan. There's no reason to compare yourself to her. Your completely different people. Plus, you have a lot of qualities Susan doesn't have." "Like what?" Lucy retorted "The ability to get laughed at by all of Narnia." "Of course not!" Ed cried, offended "You have the ability to bring happiness to the room the second you enter it. The ability to be stupidly brave! How about your kindness and generosity?" Ed could have gone on and on. He noticed nothing he was saying was making an impact, so he brought in the big guns. "Let me tell you something," He said, dropping his voice "I always feel compared to Peter. Like I'm second best. He's Magnificent while I'm just the Just. He killed the White Witch while I was the reason for the whole war with her. But I came to realize, that I'm just fine with being me. Edmund is just as great as Peter but in different aspects. Do you get what I'm saying?" He laughed.
Lucy asked only question still left in her mind. "Why don't I have any suitors then? If I really am that beautiful, why haven't I ever had a suitor?" Ed laughed out loud. "Believe it or not, you've had suitors since our first year in Narnia. Peter and I have always chased them off, not wanting any of them anywhere close to you. We swore that we'd never let you find out." He laughed. He was met with a sharp elbow to his ribs and a smirking Lucy. "That's for never letting me know about my suitors." "So you're better now?" Edmund asked after a while of silence. "Yeah. I'm fine." Lucy answered. "But can you stay here, please? I don't want to stay here by myself." Lucy pouted. Edmund sighed and said "Scoot over."
King Caspian found the two in the morning, with Edmund's arm protectively covering Lucy and Lucy clinging to her older brother as if he was a life source. She must have had a nightmare, he deduced, and Ed must have stayed with her to keep an eye on her. After all, that's what older brothers did. They were there when you were sad. Made you laugh when you were crying. They protectively insured the embarrassment of their little sister, but they meant well. After all, an older brother has duties too.