"This is my older brother's journal...it's what I was left with after his death, I never really knew that my brother loved to write this much about everyday life," Takahisa said as he opened the journal up to the page he last left off on.
---
Once Eren would fall asleep, he would enter a strange "dream" world.

(Apparently when his soul is linked to Kaika's, he also experiences the "dreams" that Kaika has all of the time, and boy I have a feeling that Eren wouldn't like sleeping much after this... xD)