TOS Jealousy?

Does anyone have any recs of TOS K/S stories where Spock is jealous? Like Kirk starts seeing someone or some old flame of Kirk's shows up and springs Spock into action?

[identity profile] terra-lilly.livejournal.com 2009-10-11 11:51 pm (UTC)(link)
Pacing the Cage by Jenna Hilary Sinclair
http://www.ksarchive.com/viewstory.php?sid=678

[identity profile] silvertoekee.livejournal.com 2009-10-12 04:07 am (UTC)(link)
The Last Straw (http://www.kardasi.com/KSOF/Stories/straw.html) by Liz Ellington