Everything has been leading up to this. Doakes and his obsession with Dexter Morgan’s murderous side. Lila and her obsession with Dexter Morgan’s murderous side. The solving of the Bay Harbor Butcher case. Dexter’s on again, off again relationship with a normal woman and her two overly cute kids. Everything that we all thought was going to happen, happens. But it is still totally and completely shocking to see how it happens.The opening of Dexter is a montage of the average American Serial Killer getting ready for his day. Shaving, getting dressed, fixing his morning meal. They have a little…