Kirk rubbed his temples as the headache he knew was coming on hit him like a ton of bricks. Three days ago they'd escaped the planet called Ahku IX. They had received a distress call from Ahku IX, and when Spock and he descended down to find out what was going on, they'd landed in a field of roses and lilies. Spock's scanner had revealed strange hormones emitting from the flowers and the two soon began to get dizzy and very hot. And that was only after two hours of being on the planet. After they were beamed back up on the Enterprise, Spock found out that the planet was about to erupt; and they'd barely escaped with a scratch.

Now, three days later, everywhere Kirk turned, a couple was making out in the corridor or having sex in an empty room. Bones and Spock were at each other's throats more than usual, and that didn't help with Kirk's constant on-coming painful headaches. Looking down at his navigators, he saw Chekov and Sulu eyeing each other like predators. He cleared his throat and glared at them before they returned to their duties. Sighing, he pressed the comm. button on his chair and waited for Bones to reply. He waited a long time. A much… much… longer time that McCoy usually took.

"McCoy."

Kirk knitted his brows at the hoarse, out-of-breath tone in his friend's voice. "Bones… are you alright?"

"… Huh? No! No! I'm fine!"

"You and Spock haven't been fighting again have you?"

"No! Spock isn't here! I don't know where that smart-ass – ow! Vulcan is!"

Kirk frowned when the doctor yelped and hissed at someone to 'stop that!'. "Well… Spock isn't on the Bridge and he isn't answering the comm. in his quarters. The only other place I know him to be is the lab."

"Don't know what ta tell ya, Jim."

"Anyways… that's not why I called you."

McCoy took a moment to reply. "What's wrong, Jim?"

"I'm getting another headache. Would you send something up to the Bridge?"

"Sure! No problem!"

Kirk heard Spock's voice under McCoy's and shook his head. He didn't want to know what Spock and McCoy were doing. "And send Spock to the Bridge when you finish with him. Kirk out." The Captain would have loved to see McCoy's face when he had said that.

Bones stared down at the comm. on his desk, mouth agape and eyes wide. "How the hell did Jim know you're here?!"

Spock's lips did something akin to a smile. "Our friend is wiser than you give him credit, Doctor."

McCoy glared at the Vulcan standing close behind him. "I give him more credit than he deserves, Spock. But I didn't think he knew you're here in my office kissing me like a teenaged hormone driven boy!"

Spock raised an eyebrow before roughly pinning the doctor down on his desk. Bones winced and hissed 'watch it!'. The two stared at each other with equal ferocity and lust, like two predators after the same meal. Lust flowed through their veins as they panted against each other's lips. Bones could feel the heat from Spock's body radiating on his own, and it made his erection twitch with interest.

Slowly, Spock leaned closer to the doctor, licking his lips briefly. One of Bones' hands raised and roughly grabbed the back of Spock's neck and pulled him down into a violent kiss. Their teeth clipped against each other as their tongues pressed tightly together, sending their blood rushing to their cores. A moan sounded into the air, but neither knew from whom it came. Their bodies pressed tightly together, and McCoy pulled away from the kiss, panting as if he'd just run ten miles.

Spock stared down at him, flushed lightly and panting just as heavily. McCoy tensed when the door to his office beeped, but Spock just leaned down and bit his neck. McCoy winced, jumping slightly. "Get… off me… you elf-eared, smart-ass Vulcan!" He muttered and shoved the Vulcan away. Spock glared at him, but turned away when a nurse walked in after the Doctor called out 'enter'.

"Doctor, what should I take the Captain for his headache?" She asked innocently.

McCoy cleared his throat. "Just… take him some pain killers." He replied.

The nurse glanced at Spock before nodding and leaving the room. Spock turned back to McCoy, glaring, as if daring him to leave. The doctor fixed his clothes.

"If you'll excuse me Spock, I have a cure I need to work on. And I believe our dear friend wishes to see you on the bridge."

"We will continue this later… Leonard." Spock rasped deeply.

McCoy shivered. "Mn hm. Of course we will Spock." He said, voice dripping with sarcasm. Backing away, he left a very angry, very aroused, and very passionate Vulcan in his office.

Spock watched him leave, glaring at his back and let out a sound very frighteningly like a growl. Composing himself, he marched out of the room, then out of the medical lab and stepped onto the lift. "Bridge." The lift started up and seconds later he stepped off and onto the bridge.

Kirk smiled when Spock appeared at his side. "Mr. Spock, nice to see you for the first time today."

"Forgive me Captain, I have been busy studying the plants we collected from Ahku IX."

The captain smiled. "No need to apologize as long as you haven't been fighting or making out with Bones."

Spock held down a blush. "Of course not Captain."

"So, have you learned anything new from those plants?"

"Yes, Captain. The plants do not emit just normal hormones, but only lust and passion. These hormones can be either breathed in by spores, or absorbed through the skin by what the plants secret." Kirk stared at him, but he continued. "When absorbed or inhaled, lust that is hidden is surfaced and made stronger so you cannot hold back."

"You're serious?" A raised eyebrow answered his question. "Of course you are, you never joke." The captain sighed. "Wonderful! So now I have a crew of horny rabbits?"

Spock stared at him momentarily. "Precisely Captain."

"And you and Bones aren't helping me as long as you keep going at each other's throats!"

Spock held down another blush and hid the red bruise on the side of his neck. "I do not understand your reasoning, Captain."

Kirk raised an eyebrow. "You two are fighting like cats and dogs!" Spock raised an eyebrow. "Anyways… is Bones working on a cure?"

"Yes, Captain."

"Great. I want you to stay with him and help." He paused. "And try not to annoy each other."

Spock opened his mouth to protest, but something else entirely came out. "Of course Captain. I would love to help him." And he turned on his heel and stepped back on the lift. "Medical Bay."

Kirk watched him, eye brow raised. "Never knew he would be so excited to help Bones with something." He muttered and turned back in his seat.

Spock entered the medical lab and saw Bones bent over a table examining the DNA of one of the plants. He smirked when he saw they were alone and locked the door, surprised when McCoy still hadn't acknowledged him. Silently, he walked up behind the doctor, breathing in his scent. With his Vulcan senses, he could smell Bones' heat and arousal; and it made him even more aroused.

Bones stared through the lens of his microscope. He knew if he could learn the process of the plants' hormones, he could reverse it or destroy it entirely; but that could take hours, days even. He knitted his brows when the light beneath him grew darker and his body temperature rose suddenly. "Did it just get hotter?" The doctor muttered and stood straight, hands flat on the table. A body pressed against his back and hands he recognized as Spock's placed themselves atop his, pinning them down. "I knew I felt the heat of an aroused Vulcan." He muttered.

"Very funny, Doctor." Spock rasped into his ear. "But you're in the same predicament. I could smell your arousal from the door."

"Did it turn you on, or is that your phaser pressing into my ass?" McCoy asked with sarcasm.

"I'm surprised Doctor. Not just an hour ago, you wouldn't let me stop kissing you until the Captain interrupted us."

"Thank the heavens he did. I needed that wake up call."

"I'm hurt, Doctor."

"You hurt, Spock? And here I thought Vulcans hid their feelings." Bones smirked.

"You do always tell me to show my feelings more… Leonard."

McCoy shivered. He saw Spock's hands move removed them from over top his and reach down to his thighs, rubbing and caressing softly. He tensed. "Wouldn't you prefer a woman, Spock?"

"Why would it matter?"

"To give you an heir or whatever! I don't know!"

Spock's hands paused in their roaming and the Vulcan had to calm himself before speaking. "Doctor, do you know why the plants make a person go after a certain other person, and not a certain group of persons?"

Bones blinked. "What are you talking about, Spock?"

"Take Sulu and Chekov for example. Rather than going after two or more people, Chekov only wants Sulu; and vice versa. The Captain, he is unaffected by the spores in the air of the Enterprise."

McCoy stood there. "So?"

"Do you know why that is?"

"… Should I?"

"Would you like to know?" Spock whispered.

Bones swallowed. "Y-Yes."

Spock's voice returned back to its calm and composed professional tone. "The pollen does not only make us lustful, but it enhances the lust we have for someone, giving us the ability to show our feelings and make them known."

"… So… you're saying… if we have hidden feelings even we don't know about, the pollen we inhale brings those feelings to the surface?" Bones asked.

"Precisely, Doctor." Spock smirked, reaching down and gripping the tent in McCoy's pants. McCoy moaned, bucking his hips. "I am, least to say, surprised at my hidden feelings for you…. Leonard." Spock whispered in a hoarse tone, his hot breathing blowing against McCoy's ear.

Bones glanced back at the Vulcan. "Me too." He muttered with sarcasm. Spock gripped him tighter. "Ow! Stop that!"

"Take my feelings seriously, Doctor." The Vulcan said.

"Do you know how hard that is to do, Spock? We fight all the time!"

"You obviously return my feelings, Doctor, considering you are not fighting against my touches, rather getting harder."

"Feelings? Why would I have feelings for you?! You annoy me to hell!"

Spock looked hurt for a moment; but it was soon replaced with anger, and he tightened his fist on McCoy's erection. "Think about it Leonard! Why do we argue so much?!"

Bones winced and reached down to grab Spock's wrist. "Don't do that!"

Spock released his tight hold. "Leonard, do you know how to deal with your feelings?"

McCoy looked back at him as if Spock had grown two heads. "… Come again?"

"Please answer the question, Doctor." Spock sighed.

"Of course I do!"

Spock raised an eyebrow in disbelief. "Think of it this way… when people do not know how to deal with their feelings, they argue or fight with the one they like. In our situation, we argue so much, the crew seems to think we are sexually frustrated."

McCoy blushed. "I am not!" He stood there a moment. "You're telling me that since I do not seem to know what to do about my feelings, I resort to arguing with you?"

"Precisely."

"Have you lost your mind, Spock?"

The Vulcan raised an eyebrow. "Explain."

"I am a grown man! I know how to deal with my feelings! Maybe it's you who resorts to arguing with me!"

"Good point, Doctor." Spock tilted his head some. "You are in denial."

"I deny nothing!"

"Really?" Spock asked. Roughly, he spun the doctor around and kissed him violently.

McCoy's eyes widened; but almost immediately, he kissed back, his hands reaching to hold the back of Spock's head, pulling him deeper into the kiss. Moaning, he pressed his body tightly into Spock's, moaning louder when they're erections rubbed together. Spock's hands reached 'round to Bones' back, hugging him closer.

"Wait… Spock, stop." McCoy panted, leaning back against the table.

"No." Spock muttered into Bones' neck, his voice dangerously passionate.

McCoy flushed slightly and began pushing against Spock's chest. "This isn't… right. You should mate with a female Vulcan… not a human male."

Spock froze and slowly, he pulled away. "And what gives you the right to tell me whom I should mate with?"

McCoy glared at the Vulcan. "It's common sense Spock!" Spock stared at him. "Listen… I'm honored by your feelings, but don't you want to have a family one day, Spock? A little girl with blue eyes and blonde pig-tails?" At the raised eyebrow, McCoy understood his mistake. "The ideal daughter has blue eyes and blonde pig tails." He muttered. Spock nodded his understanding. "What I'm saying is, don't you want to be a father someday?"

"I'm more concerned with having a lover at the moment than a child. And I love you, Leonard." Spock's voice was full of truth and sincerity. He reached up and cupped McCoy's cheek. "Please, I know you feel the same. Let me be with you."

McCoy blushed heatedly and stepped to the side, out of Spock's reach. He shook his head, eyes closed tightly. "I-I'm sorry Spock. But… as long as my mind is clouded by these spores, I can't." Turning, he quickly walked out of the room, leaving behind a confused, depressed and lonely Vulcan.