Okay, so Henry said that the timeline had changed and certain things could be different now but that in no way prepared Jack for a ghost showing up on his doorstep.
He felt he should've been better prepared for that.
- Part 1 of Multi-Verse
Jack had heard of the Butterfly Effect, but he had no idea that their actions could have changed things this much. Now they had to try and fit into a new world where their very physiology set them apart.
- Part 2 of Multi-Verse