Captain Swan, and just ouat in general are killing me right now and I can't deal with it. A bit of angst, but a happy ending because I can't bear to think of losing my Killybear.
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Emma knew something was wrong with Killian. She could tell by the way he never looked her in the eye, she could tell by the way he'd stare at her, as if it was the last time he'd see her.

Little did she know that could very well have been the truth. Killian knew that every time he saw his Swan, it was quite possibly the last. He never knew when the crocodile would crush his heart and his promise of being a survivor would crumble along with it.

No, he didn't know when he'd be gone forever, but while he was still here, he'd make sure Emma was loved more than ever.

Killian made sure she knew he cared about her. (Loved her. But she wasn't quite ready to hear that, he knew...) He kissed her every time he saw her, hugged her whenever he felt she needed the support, held her hand when she was vexed.

Killian made sure he made the most of the time he had left with her. It proved harder, because without his heart, he still loved her -so much- but it was an odd feeling. Like his head was under water and he couldn't feel that fire that only Emma could make him feel.

Killian Jones loved Emma Swan, but apparently, not enough.

When Emma figured it out one morning after a very heated kiss when he came to pick her up for breakfast as she'd slid her hand down his chest to rest on his heart and she'd felt nothing, Killian thought he wasn't enough.

The look of pure horror on her face was killing him and tears welled up in her eyes and she shook her head.

"Why didn't you tell me," she asked, looking hurt and betrayed.

"I couldn't," he managed in a quiet whisper.

"Couldn't? Or didn't want to?" She demanded, taking a step back.

"The crocodile," he snarled, "he... He won't. Let. Me," he struggled, feeling Rumplestiltskin's will against his heart, telling him "No. Tell her and you die,"

Emma shook her head sadly and fell back into his arms.

"We're going to get your heart back and then I'm going to kick your ass for going near him, do you understand me?" She sobbed into his shoulder.

He nodded with a slight chuckle. "But I'll kick his first for going near my boyfriend," she added.

Killian wanted to protest, but before he knew it, she was dragging him along with her to Gold's shop.

Emma was on the phone with her father who was meeting them at the shop, along with Elsa and Belle.

When Killian and Emma arrived, the other three were already waiting for them. David gave Killian a sad glance while Elsa came up and patted Emma on the back. "We'll get it back, I promise," she said.

Belle looked shocked that her husband would do so something like this, but came over and smiled sadly at him.

"Hook, I'm so sorry. I don't know why he'd do this, I thought he'd changed," Belle said.

Killian nodded and Emma took his hand, leading him into the shop.

"WHERE THE HELL IS IT, GOLD?!?!?" Emma yelled upon entering.

"I've no idea what you're speaking of, Ms Swan," Rumple said with mock innocence.

"Save it crocodile. They know you have my heart. Hand it over," Killian said.

"Careful, pirate," Gold said, warning in his tone.

"Rumple?" Belle said sadly, "Did you really take it?"

"Belle, I have no choice. I want to be free of that dagger! It only restrains me!"

"But Rumple, I have your dagger..."

Killian started to say something, but Rumole took Killian's heart from a pocket in his jacket.

"Ah, ah, no you don't, Captain," he snarled, squeezing the heart ever so slightly, making Killian lose his balance. Luckily, Emma caught him and helped steady him.

"I don't really have it, do I?" Belle demanded.

Rumple shook his head, lowering his eyes. "Belle, I'm terribly sorry. But once this is over, you won't have to worry about a dagger. We can leave this town, and be free!"

"I don't want to be free! I want you to give Hook his heart back, Rumple!" Belle cried.

"No!" Rumple said firmly, gripping Killian's heart harder.

Killian felt the worse pain imaginable, right where his heart should be. He felt like his entire body was shutting down, like... Well, like his heart was being crushed at the hands of his lifelong enemy.

As he looked to see just that, Emma ran towards him. The last bits of his heart turned into dust and he managed to get out three words before the darkness consumed him.

"I love you,"

Rumplestiltskin disappeared in a cloud of dark smoke, laughing evilly.

Belle ran out the door sobbing, on her way to find her husband.

"No! Killian, no, don't leave me! I can't lose you!" Emma screamed as his body went limp and lifeless in her arms. "No, no, no, no, no!!!" She sobbed as she felt her father's strong arms around her and Elsa took her hand.

"Emma-" David tried.

"No!" She sobbed again, he face a mess of tears.

"Emma listen to me! Do remember what happened when my heart was crushed, what you mother did?" David asked gently, putting his arm around her in a comforting fatherly gesture.

Emma nodded. "Try. Emma, you don't want to look back on this, saying you didn't try,"

"I- I don't know how... I... No," she sobbed into David's chest.

David called Regina.

"You need to get to Gold's shop, now,"

Regina showed up in a poof of purple smoke.

"What's so important that-" Regina stopped abruptly when she saw a tearful Emma clutching on to a dead Hook.

"Take," Emma sniffled, "take my heart. Break it into two pieces. Please, Regina, I can't live without him!"

Regina sighed. "The things I do for you Charmings," Regina sighed, agreeing to Emma's request.

"You're the saviour, so you need to will me to be able to take your heart. You need to think inward, and allow it to be taken, got it?" Regina instructed.

Emma nodded. "Just, please, do it,"

Regina nodded. "This is going to hurt," she said, glancing at David, silently asking him to back off.

Him and Elsa back up slightly.

Regina took one of Emma's hands. "Ready?" She asked.

Emma nodded.

Regina plunged her hand into Emma's chest, trying to be as gentle as possible, but Emma still cried out in pain as Regina tore her heart out of her chest.

Emma fell back, both her and Killian now laying down on the floor, side by side.

Regina carefully broke Emma's glowing red heart into two pieces.

Once again, Emma cried out in pain.

After the queen returned half of Emma's heart back into Emma's chest and the other half into the pirate's, Emma turned to look at Hook.

Tears formed in everyone's eyes as Killian began to stir, his eyes fluttering open.

He looked at Emma, adoration all over his face. "Did you-" he was cut of by Emma crashing her lips onto his.

David, being Emma's father, did not want to see that, but he also knew that Killian just died, and Emma deserved a happy reunion moment with him without a complaining father.

Regina, however, groaned as Elsa laughed.

Emma paid them no attention though, as she kept kissing Killian passionately.

"You died!" She sobbed into his chest as he stood up, "You were dead!" Emma had her arms around the back of his neck.

"Emma, how am I alive?" He asked.

"You have half of my heart," she whispered into his ear, pulling him closer in a hug.

"What?!? Swan, what did you do?"

"I told you. I can't lose you too," she laughed.

"Emma..."

"I love you too," Emma said, she then kissed him senseless, not caring that there were other people in the shop.

Later on, when they found Rumplestiltskin in the forest, making some odd potion, he was scared half out of his skin when he saw a perfectly alive Killian Jones -whose heart he'd crushed a mere thirty minutes ago- standing there with an arm around Emma Swan and half the town assembled behind them.

That was the day Rumplestiltskin lost his power and the Dark One curse was forever broken.

The End
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I really hope you enjoyed this one! Remember, I take prompts! Thank you for reading!

~Jillchair8e