Spike has a nosebleed

Hey
In this fic, Buffy and spike go to her house after patrolling. He has a nosebleed on her counter and she drinks the drops of his blood. She begins to turn different. It might have started a claim but I don't remember.
Any ideas?

Old Friend, Long Gone by Darkrivertempest
Summary: AU season 6, post "Flooded." After being ripped from Heaven, Buffy is unsure of herself and her duty as the Slayer, especially where a certain vampire is concerned. Try as hard as she might, Buffy is just not dealing well with life after death, the second time around. But someone is watching over her, leaving a clue that will lead to her acceptance of a happy life with the vampire that kept his promises.

Frina
Thank you!

Frina
That's the right fic