He's going through a bad/difficult/rough 'patch' [='spell'] right now.
The chair's original paint is still visible 'in patches'. [=in spots]
The doctor 'patched' him 'up', so he's going to be as good as new.
(..) home was that night stinking of some whore's perfume. So we'd fight and I'd put a hole in them. And then I'd feel terrible, so I'd patch them up. And good at putting holes in them. (chuckles) And that. What happened to the actress? Bianca. (..)2016 TvShow: Game of Thrones Title: No One Season: 6 Episode 8