He's not going out though - he'll keep playing chess and he stated that he wants to remain the best chess player. He's just not playing the World Championship match.
Magnus' streams in blitz chess are way more interesting than official plays IMO.
Yes, finishing his World Championship affiliation.
Oh, that's fancier than my ready-at-hand qute for these situations, which was 90s-girl-rocker Ani DiFranco: "so I'll walk the plank / and I'll jump with a smile / if I'm gonna go down / I'm gonna do it with style".