A/N: Everyone see the season finale of Avatar: The Last Airbender? It was awesome! If you've never seen the show…watch it! That show is so unbelievably funny and cool and just…AWESOME! And addicting! I love it!

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Lily snorted as Sirius finally looked up, meeting his brother's eyes with defiance.

"You need it."

"Do not."

"Do too."

"I'm not taking it," Regulus glared.

Lily shook her head. Stubborn gits.

"You bloody well are," Sirius stood up, frustration and anger in his eyes. Sirius always had too short a fuse for his own good, and right now it was showing more than ever. Lily guessed that Sirius's fuse was probably exceptionally short because he felt so unbalanced with Regulus and Snape both glaring daggers at him.

By the window, James finally spoke up. "Sirius," his voice held a cold warning, and Lily cringed. She had never heard James use that tone before. "You break him, I break you."

All eyes turned to James, who was staring out the window. Lily wondered what the bespectacled boy was thinking, but his face was blank. Sirius was glaring at James's back, but he soon deflated.

"Please?" Sirius tried, hopefully.

"Nope." Regulus had a small smile playing on his lips, and Lily knew that he was happy that James had stood up for him against his best friend.

"You need it," Sirius tried again, and Lily caught Snape's snort. She glanced over, and saw that he was watching the scene unfold with one eyebrow raised. She seriously starting to think to think she needed to take a class on reading body language!

"I feel fine," Regulus's glare was starting to return, and Lily knew that this could go on for hours.

"But you aren't fine! You're sick and you're going to get sicker if you don't take this," Sirius was yelling now, and James finally turned from the window, opening his mouth to say something when Regulus cut him off.

"What gives you the right to suddenly care?" Regulus spat, and Lily closed her eyes briefly. Regulus had a right to be angry. If she was in his shoes, Lily was sure that she would have broken down and hurt Sirius long ago.

"I care because you are my brother," Sirius said it softly, eyes falling to the floor.

"I was your brother yesterday, and you didn't care then!" Regulus spat this out, and Sirius flinched.

"No, I didn't. Yesterday…" Sirius sighed, "I thought you were a monster. But monsters only exist as long as you think believe they do. Today, I know the truth. You're not the monster, Regulus."

"No, I'm not," Regulus's eyes were cold, but Sirius met them.

"I'm sorry, Reggie. I…" Sirius bit his lip, searching for the right words. "I'm sorry for being the monster. I know I don't deserve it, but…I'd like another chance to be the brother I should have been. Will you let me? Will you give me a second chance?"

"Why should I?" Regulus shook his head, "Just because you finally figured out that I'm not the evil you thought I was. It takes more than that, Sirius."

"I know," Sirius whispered, "but I don't know what to do. I don't know how to earn your forgiveness."

"Then you don't deserve it," Regulus was the one looking at his hands now, and Lily could almost feel the sadness coming off him. She wondered if Sirius understood what it was that Regulus was asking for. All the Slytherin wanted was for Sirius to do something for him, even just think of doing something for Regulus alone. Not for himself, or his friend, or anything…but just to show Regulus that he really did care.

"No, I don't," Sirius sighed. He shook his head and stood up, and Lily stared at him. He was giving up? He was just going to let it drop and leave Regulus to hate him? Stupid boys!

Sirius walked over and handed the potion to Severus, "Take care of him. I…I know I don't have the right, but I do love him." Sirius closed his eyes, his voice thick with unshed tears. "You're a better brother than I could ever be anyway."

Snape's eyes widened with shock, and Sirius moved away and started for the door. Lily looked, helplessly, at James to do something, but James was standing there looking back and forth between them nervously.

"Siri?" Regulus called out frantically, and Sirius paused. "I'll take the dumb potion if it's that bloody important to you."

Lily almost laughed. Honestly? Forgiveness through a potion? That was the most ridiculous thing that she had ever heard of.

Sirius turned around and smiled, tentatively. He took the potion that Snape was now holding out to him, and walked to Regulus's bed; handing the boy the potion and watching him choke it down.

Lily shook her head, giving a wide-eyed Severus a reassuring smile. This was certainly the most awkward and unconventional of gatherings this hospital wing had probably ever seen.