Luke Skywalker

He cannot stand that you aren't there anymore. He isn't that happy as he was before. Leia is trying to help him.

Anakin Skywalker

He turned to the dark side.

Obi-Wan Kenobi

He separeted himself from everyone.

Han Solo

He start drinking.

Kylo Ren

He turned definitly more to the dark side than before.

General Hux

He didn't show any emotions on starkiller, but when he's alone he's crying.

Finn

He departed from Resistance.

Poe Dameron

Leia told him, to have some day off, to rest and calm down, but he didn't stop thinking about you.