Spock was having difficulty maintaining an ideal rhythm as Christine's own faltered, yet the erratic tugging of her ears was all consuming, so her distraction could likely be excused.

Spock moaned hotly against Christine and continued the motions that caused the sharpest jumps and the most exaggerated breaks in the blonde's concentration. Truly, Spock recognized as she pressed her lips against Christine's pelvis and applied negative pressure to her clitoris, this was not for entirely unselfish reasons. Christine let out a short sound and the hands on her head flexed, drawing a heady sensation from the roots of Spock's hair and the pit of her stomach.