Joker and Harley oneshots and headcanons.

You're lucky I'm tired.

Wordcount: 1,209

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Shutting down his computer for the night, J looked at the clock above his door. He hadn't intentionally worked from 5 PM to 2 AM. Again.

'Harley's going to be pissed,' he thought. Harley didn't at all like it when he worked so late into the night, for him and herself. He was surprised she hadn't come in here by now, standing in the doorway in her nightgown, giving him that fiery stare she used to scare him into listening. She held much more power over him than most people thought. He still had no idea if he liked that stare or not, it managed to be the middle ground of blood-curdling and hot. He couldn't make his mind up even after over ten years of receiving it.

He didn't bother to put away any of his papers or pens, that would be his issue tomorrow, along with his aching back and neck. He left them splayed out on his desk, the papers out of order and pens left without their caps, others on the floor for Frost to trip on.

J stood up from his desk, groaning at the pain in his back and neck. If he got back on Harley's good side maybe she'd rub his shoulders for him, or she'd leave him to deal with the consequences of working for 9 hours straight. He didn't expect her to fix the end result of his own choices even on her good days, she did that out of the kindness of her heart.

He stood up straight as he walked down the hall and to the bedroom, as though that would fix the damage to his back.

Harley might even be asleep by now, snuggled under the covers, her annoyance forgotten, it would be nice to wrap his arms around her waist, nuzzle his face in her hair and cuddle with her, or he'd get the cold shoulder for the next few nights.

The bedroom door creaked as he opened it, he saw Harley lying in their bed, the covers off of her and her phone in her hand. She was probably reading a book, she preferred reading them on her phone rather than physical books because she could make it bigger, even after the chemical bath her eyesight wasn't the best. It was easier on her eyes and took up less space.

"Baby," he said, shutting the door behind him. Harley looked up from her phone. "Puddin."

J noticed that Harley looked quite tired, as though she'd been keeping herself from falling asleep. "You know I don't like sleeping without you, puddin," she said, her icy glare wasn't at all lost on him. "I didn't mean to, baby," he told her, sitting on the foot of the bed. Now he was closer, she looked terribly tired.

"You're really lucky I'm tired and cold," Harley said rolling over to her side of the bed. That must be his cue to get in bed with her.

"Don't be upset, honey, you have me all night now," he promised with a stupid grin that made Harley want to roll her eyes, but made her smile instead. "Just get in," she smacked the bed, as though making her sentence sharper. He obeyed, tired himself after using so much mental energy.

"Who's on top tonight?"

Believe it or not, Harley's question was about cuddling.

"Whatever you want, baby," he answered, pulling up the covers. He was far too tired to make any more decisions.

His face scrunched up as he felt a dull pain shoot up his shoulders and neck. He moved his neck side to side, but no pops or relief came. Another reason Harley hated him working late.

Harley stared at him as he did this, holding her phone in her lap. She was still annoyed with him, but she hated seeing her Puddin in pain, even if it was the kind you shrugged off and ignored.

"C'mere," she said, rather forcefully as she put her phone on her nightstand. She patted her lap when he didn't respond right away.

"You're not pissed at me?" J asked with a light chuckle as he got situated in bed, his torso over her and his head on her chest, the lower half of his body resting beside her. "Yeah. I just care about ya' too much to let you suffer," her tone sounded almost spiteful, like she was annoyed she cared about him so much, but playfully.

Harley's hands quickly went to the connection of his shoulders and neck, gently massaging him. J purred at the comforting feel of her hands on him. She always had that effect on him, like the mere graze of her hand against his shoulder could make him reconsider ending it all.

"Baby," he said tiredly, letting his head melt into her chest. As she watched him, Harley couldn't hold onto her annoyance, he looked so cute. So tired and overworked.

She ran one hand through his hair, without gel for once, just his soft green hair. "And you ask why I hate ya working so late."

"Mm, am I forgiven yet?" J asked as Harley rubbed his neck. "Maybe tomorrow night, if you work for it," she said simply, he didn't need much imagination to figure out what she meant by that. "Perfect," he responded, nuzzling her neck.

"Wanna watch somethin'?" Harley asked after a few minutes of quietness, reaching for the TV remote. They usually fell asleep to something on TV, except when they were both too exhausted to find something and just passed out in each other's arms.

Broken out of his zone out, J looked back up at Harley. "You can pick, baby," he said lazily, nuzzling back into her.

Harley ended up choosing a 2000s film that was half finished, she liked piecing together plots and coming up with her own little backstories for the characters.

Harley looked down as J reached his hand up, going towards her collarbone. "Puddin?" she whispered, before smiling as she realised he was starting to trace her tattoo. "You're cute when you're tired," she said, scratching his head. He purred at the sensation, reminding her of a big jungle cat.

J shuffled himself closer to her, making it so they were pressed together. No matter how close they got, they always wanted to be closer, they'd get under each other's skin if they could. Sometimes it was hard to tell where one of their bodies started and ended with how tangled they got in each other. They found it was always the most unorthodox cuddling positions that were the comfiest, it made sense considering everything about them was unorthodox.

"Like a tired kitten," Harley continued, getting a lazy growl from him. "Angry tired kitten," she smiled, getting more purrs as she massaged his head. Sometimes she wondered if J was actually fully human, he didn't remember life before being Joker and he sure did a lot of purring and growling for a full human.

Harley felt his purr vibrate against her neck where his head rested. She nuzzled into his hair, closing her eyes. Had she been this tired earlier?

"You sleepin'?" she murmured, after a few minutes of starting to doze off. "Mmh."

"Me too."

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So sorry I haven't updated here in so long! I'm working on a multi-chapter fic for Sofia the first, and on top of that, I'm in the middle of getting my autism diagnosis which I'm writing out something for, basically a list of traits and behaviours. There's a lot so it's taking me some time. Plus I just haven't had much motivation for Jarley for a while because of other interests taking over.