I'm looking for a fic where Spike is at the house after Buffy leaves to investigate the scythe. I remember that Spike left the house to go after Buffy after Dawn encourages him to go with her. He sees the kiss between Buffy and Angel. Spike storms back to the house and when Dawn asks Spike what happened he says you didn't count on your sister being a whore and is planning on leaving. Dawn tells Spike to wait to talk with Buffy before he leaves. If I remember correctly Angel returns home with Buffy.