John Cena doesn’t think he will ever be “personally ready” to be a dad. The ‘Blockers’ actor – who is married to Shay Shariatzadeh – has a lot he wants to do with his own life and admitted he doesn’t see having children in his future as a result. Speaking on the ‘Club Shay Shay’ podcast, he said: “I have a certain curiosity about life, and I also know the investment that it takes. “As somebody who’s driven, many times stubborn and selfish, I try to approach the world with kindness and curiosity … but I don’t think I’m personally ready, nor will I ever be, to invest the time [needed] to be a …