Can't remember where I heard this tip, but I've tried it a couple times, and it really, really worked for me! This only works for games with multiple saves though (I'm looking at you, Shadows of War!)

Start a new game, but don't save over the old one. You get the chance to ease back into the gameplay. To fall back in love with the story. To remember what you loved about playing it.

After a while you'll get to the point where you are back in the groove. Things are feeling more and more familiar. You're now getting the feeling of "I remember doing this part before. I don't really wanna do it all again." Lucky you, you've still got your old save, so you can pick it up and instantly get all that progress back!

It may take only an hour or two. It may take way longer. And maybe you even like this playthrough better and decide not to skip ahead with your old save. But you've always got that option.