'Fast X': John Cena Gushes About Wife Who 'Keeps Him in Line' at Premiere (Exclusive)

John Cena chats with ET's Nischelle Turner in Rome at the premiere of 'Fast X,' in theaters on May 19. The actor first gushes about his wife, Shay Shariatzadeh, and how she keeps him 'in line.' John talks about Paul Walker's daughter, Meadow, making a cameo in the film and how 'special' it was getting to talk to her about her involvement in it beforehand. Then, the former wrestler opens up about getting back into the WWE ring recently and what may come next.