Jim simply nods and does as told, toeing off his shoes first. Spock might be expecting some kind of rebellious response, or maybe not, but Jim behaves all too impeccably, not even an amused quirk to his lips when his eyes lock onto Spock's.

The following order does get a slightly raised eyebrow from him, but he says nothing, and stays silent even as he falls to his knees. He reaches behind himself to tug off his socks, then once they're out of the way he leans forward, hands resting on the floor as he slowly starts making his way towards Spock, crawling across the floor until he's close enough that he could so easily reach out and touch—

And then he sits back on his heels, hands resting on his own legs. Gaze dark as he looks into Spock's eyes and waits for what comes next.