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It had been a while since Sam had drunk any blood, and he could feel his skin crawling slightly. He understood that Ruby needed breaks, and that he probably shouldn’t indulge himself all at once, but he was itching with thirst.
Sleeping together was, predictably, far less frequent than the blood drinking. It was less intimate in a way, too, but that was because of the importance of Ruby’s blood to Sam. To be addicted to the very life essence of her was overwhelming to consider.
They were going to have sex tonight, though. He could sense it in the tension in the air. It had been a long day of her trying to teach him how to use his powers, and he was growing frustrated. Eventually he gave up, sitting down. “Come on, Sam. You can keep going.”
“I’m tired, and I’m thirsty.” He said weakly. “I can’t without more blood.”
“Sam-”
“I know.” He cut her off, sighing slightly. He didn’t mean for the sigh to be audible. It wasn’t her fault, but he wasn't doing too well. Ruby considered him carefully for a moment, before sitting deliberately on his lap, running her hands over his chest. It made Sam’s heart rate spike, but he was hardly in the mood. “Ruby-” He started.
“I can help you.” She said in a voice that was so soft it set him on edge. “Trust me.” Slowly, she pressed a kiss against his lips. She tasted slightly like sulphur, but Sam had long since stopped caring.
With a nod of approval, Sam gave her permission to enact whatever she was considering. She moved off of his lap, lifting up her dress and slipping her underwear off. She used Sam’s shirt to pull him onto his knees in front of her. He offered a slightly perplexed look, but this was soon overcome by understanding as he caught the scent of blood. He hadn’t been aware that Ruby’s vessel still had periods, but he was admittedly incredibly grateful.
He tried his best to savour the moment, kissing up over her thighs and trying desperately to let the soft noises out of her mouth distract him from the scent of blood, but it didn’t. He couldn’t stop thinking about it.
When he eventually gave in, moving his mouth to the centre of her legs and starting to use his mouth. The moment that the blood touched his lips, he felt his mind cloud completely. From the sounds Ruby was emitting, he was certain the experience was at least enjoyable to her, but he was completely overcome by the taste of blood.
Ruby moved her legs to rest over Sam’s shoulders, thighs slightly squeezing his head as he worked his tongue, desperately trying to get every last drop of blood. Her fingernails dug into his scalp, pulling at his hair. She made a series of noises and her body convulsed in a way that could have quite easily meant that she was done, but he wasn’t.
He felt the relief of the blood being back in his system, the power that began coursing through his veins in overwhelming waves. The rich, metallic taste of the blood was so familiar to him and every moment he spent tasting the blood his deep need was increased.
She said something, but he hardly heard. It was a little while before she pushed his head away, moving backwards. She was panting, sweaty and clearly overstimulated. Sam’s ears were ringing. “I’m done.” She said, voice thick with an emotion Sam couldn’t place.
It took Sam a moment to regain the ability to talk. “Thank you.” He mumbled.
Sam always looked quite beautiful from this angle, and it might have been the post orgasm haze or the blood loss but Ruby thought he looked even better right now. His chin was coated in blood, and his eyes had the sort of wild delirium in them that she really admired in a man.
She pulled her underwear back on, resting a hand affectionately on Sam’s cheek. “Now. Can you keep going?”
He clenched his jaw and nodded.