A PWP that I want to read again

[fotada.livejournal.com]

Can anyone help me find this Spuffy PWP? I believe it was set during Season 6, and the only thing I remember about it is that whilst they are having sex, Spike slams his hand on the headboard and says, "That's it Slayer, that's it." Or something along those lines! *g* It's a lot sexier than I've written it, I swear. The only other detail I remember is that two people collaborated on the story together. Thanks in advance for your assistance!