What a super story-it runs through all the emotions. Sorrow for all the deaths in the alley, Spike's resignation and leaving, Dawn and Buffy's joy and happiness for the upcoming. The reunion was funny, and so gentle and considerate and mature. "...you’ll come with me to the wedding, and we’ll take it one day at a time from there. Agreed?” She stuck her hand out for him to shake". A sweet, sweet conclusion.