"I see." Spock's lip twitches as he processes that information, adding it to the data set that he's trying to make about this place. For whatever mission he may be embarking on here, it is only logical for him to put the mission of gathering information first so that he may reevaluate periodically if he is doing the truly logical thing.

"Then it appears we truly are out of step with time here. I've seen you on a near-daily basis up until I arrived."

And there's no reason to hold back that information from Jim. They should share what they know with each other when it's relevant and pertinent to.