Christine shifted against her mouth, tried to press Spock's tongue deeper into her, but to little avail. Spock, however, was neither unaware no resistant to the idea of aiding the human in her efforts and moved her tongue up as she gently pressed a finger into Christine. She was well lubricated already. It was a fortunate sign, one that encouraged Spock to slide the flat of her tongue across the hooded swell of Christine's clitoris.