leia/luke.
He was flying the Falcon. Chewie had tossed him on board and was rescuing some people from the planet. Anakin couldn't go back for him, if he had, everyone on the Falcon would have died. So he blamed himself even though he did what was right. They saved a lot of people that day and Chewie went out fighting which is what he would have wanted.
They are not something you would want to see. They're not only trying but are doing a damn good job of it.