SPOILER ALERT! Warning: This is Grey's Anatomy madness! I was both mad and scared for Izzie. How could she decide to play god and kill Denny (only to resuscitate him later)! And, George (leaving Callie) to stand by the door?! Seriously! And, Mer-Der (murder???!!!), After calling her a w*o*e, he has the nerve to look at her in the elevator, as if he wants to say something dreamy to her! Seriously! Addi, losing face in front of Meredith, the other interns and chief! She should have just made Alex' life hell! Seriously! Then, Mere embracing McVet only to tell him how much she loves Derek?! Derek is not a dog! Seriously! Dr. Burke is shot! Where's Cristina? Seriously! Seriously!