IIRC he was super jet lagged and had taken a sleeping pill to try to make time difference from where he was traveling to where the commercial was being filmed. Near the end he's much better and clearer as the pill had worn off over what we can assume are a few hours of takes.
I think it's just the two feelings, but in quick succession. Like an emotional dipthong. Or maybe even just simultaneously? Doesn't have to be a unified thing.
But I guess, 'tragicomic', or 'funny with pathos'.