Why do you assume it's boring. We don't know what they get up to in the privacy of their own boudoirs. Sparse perhaps, due to their physical distance. She's looking to spice it up so maybe he's the missionary/boring one.Right. Pon farr is not meant that vulcan males only have sex every 7 years. Its a biological mating cycle that vulcan males need to complete or die. DC Fontana who wrote the episode said as much. Again looking at Spock and Tpring their sex life is pretty boring and sparse. They are vulcan after all.