Jean ends up reaching for Eren's hand to hold. It soothes his nerves and makes things more bearable - actually feeling that Eren's here. Perhaps it could be anyone else, too, but having it be him felt... significant. They didn't always see eye to eye, but through everything, they were still friends.

Even with all the things Eren was hiding from him due to his request. It couldn't have been easy. Jean never thanked him enough for that. Perhaps he should.

Right now though, his thoughts were only in the misery they were facing in this world. The nightmare scenario of their friends leaving.

"I won't stop looking. I'll find a way, somehow. You'll be one of the first ones to know when I do."

When, not if. He couldn't afford ifs. Not when there were people he couldn't lose. Not again.