... and then she died. I don't think it was her death specifically so much as having gotten through losing his friends, losing Atlantis, starting to set up a new life on Earth and put it behind him ... and then that blows up in his face, too.


I tend to think that Jennifer's death was the straw that broke the camel's back as it were. She had become his anchor...the one good thing that come out of the whole mess. Without that, I think he could have come to terms everything that happened. It was her death that made him want to change the timeline. However, it says something that when he thought of that the first person he thought of was John.