Heat.
Closeness.
Intimacy.
Spock could only cling helplessly to those words when he was with Jim.
Warm hands reached up to touch cool skin, caressing the gentle tips of the Vulcan's ears.
The warmth of Jim's skin spread through Spock's body like wildfire. A short gasp escaped the Vulcan's lips, earning a small smile from the young human captain.
"Spock..."
The tender rasp from the husky voice grabbed the agile and wise mind's attention. Spock usually hid it quite well, but he loved hearing Jim speak.
"Spock... I love you..."
Jim buried his face in the Vulcan's neck.
"...Let me?"
Spock did't need to focus on the soft request. He knew what his captain was asking.
The ultimate illogic, the complete entity of human behavior, and the one action Vulcankind never understood.
Recreational sex.
But Spock... he understood. Perhaps it was his human blood, the part of his mind that needed to feel the painfully sweet sensation of the human's teeth grazing on skin, the power of his heat inside him, and finally, the rush of euphoria when they were finished.
"...Spock?"
Spock blinked, his cheeks a tinted green. Had he forgotten to acknowledge the other man?
"My apologies, Captain," he said. "I agree to your request."
Jim smiled.
"One day..." he said. "...one day I'll get you to say something really sexy..."
Spock raised an eyebrow.
"...sexy?"
Jim's forehead hit Spock's chest and the Vulcan felt the cheeks rise in a wide grin.
"Nevermind... where were we?"
"Rectal penetration to result in recreational coitus."
This time, Jim couldn't contain the snort of laughter.
"Thank you, Spock, for your logic," he said.
Jim eased his erection inside his Vulcan lover, relishing for a moment the facial expressions that painted across his Science Officer's face as he adjusted to the sudden invasion.
Spock gripped Jim's arms, leaving small bruises where his fingertips were. He let out a long slow sigh as he finally adjusted, and even smiled.
"I love you, Jim..."
Those words. Pure ecstacy.
Sometimes it made Jim wonder...was the Enterprise really his true love?
They came together for a long kiss, saying everything and nothing at all about their love for each other. Jim returned to Spock's neck, planting little kisses along the curve of his throat and shoulder, tongue swiping across the green pale skin.
Hours passed like centuries until the heat between them could no longer be ignored. With twin gasps, their climaxes shook their souls.
Spock felt Jim's heat leave his body, and he nearly groaned in protest. However, it was soon forgotten, in favor of cradling the captain in his arms.
Jim rested his head on Spock's chest, panting gently.
The Vulcan glanced down at his captain. Asleep already? Ah well, such were human limitations. Spock placed a gentle kiss on the top of Jim's head and smiled.
"... I am... and always shall be... yours..."