Putting The Blame On Her
He was attempting to blame Laura, despite the fact that she knew it wasn’t her fault. He was pouring everything that had gone wrong in their relationship on Laure and attempting to justify what he had done to her.
The Last Straw
Jack stated in the note that he had been depressed for the preceding two weeks of his life and that Laura’s supervisor telling him she had unexpectedly resigned her job seemed to be the final straw. He stated that he was done dealing with her and that he did not wish to do so any longer.