He's tried to become more of a boxer the last couple of years, he should just go back to being a wrecking machine He could've taken Ward out at any time if he really wanted too just needed to take a few more risks. He will ko Ward in the rematch, now that he's been burnt by the judges. If Ward doesn't chicken out.
You are right it has been confirmed by Kovalev himself that he was going through personal issues prior to Saturday night. Frightening to think how much better will be once all is in order and he regains 100% focus. There is no doubt the fire will be reignited after suffering such injustice.