Channing Tatum goes on “full iPhone diets” to cut down on his screen time. The Hollywood actor has revealed he struggles to be “alone” with his thoughts when he has a device to hand so he often ditches his phone for several weeks to disconnect and clear his mind. Speaking at the London premiere of his new film ‘Blink Twice’, Channing explained to the Dailymail.co.uk : “I’m not good at responding to people but I go on full iPhone diets because as soon as I reach for my phone compulsory. “When I’m just sitting there and I feel like I can’t be alone with myself or with my thoughts, I make sure I …