Blake Shelton has no problem poking fun at his fellow coaches. On Thursday, the 45-year-old country crooner was a guest on , and discussed his lengthy stint on the NBC music competition show. «Weirdly, I think you might win it again this year,» Fallon told Shelton, who is the only remaining original coach. «Do you really think that, honestly, you think that? You said it, but do you really think that?» Shelton pressed.