Once the divorce becomes a reality each side toughens up. Then the other side hardens its stance, and then they battle it out. Pals go to the UN. Oh Yeah? No money at all to the Pals! Then the Pals take another step, and then the Israelis; and so on, zig zag, till they force the moment to its crisis. There's really no other way, because otherwise one side or the other has to feel like they surrendered for nothing.
Former ruling party in Yemen says it accepts UN-brokered peace plan (Reuters)