Why did humans tend to do this? Make his hand so ridiculously sensitive with their fingers and then torture him with their lips and tongue? He averted his gaze from Leonard, a hot jade flush spreading from his cheeks to the tips of his ears. It appeared without much notice, and he wouldn't have been able to wrestle it back down if he did; Leonard's voice curled something tight and exhilarating along his lower chest and stomach. His lips parted to inhale a shaky breath, straightening and arching up slightly as if...other places had been licked.

The blush only intensified in shade as Nyota voiced what was already obvious, and he supported it with his own small nod and a "Yes." Spock added to it with a thought, one which held a playful note carefully filtered from slipping outside. Is your tongue as gifted as your fingers?

Regardless, he wouldn't stop him from discarding the rest of his garments.