We’re meeting in a café in midtown New York on a sultry August day, ahead of the September 10 publication of Eyal’s new book, “Indistractable: How to Control Your Attention and Choose Your Life” (co-written with Juli Li; BenBella Books). Eyal’s 2014 book, “Hooked: How to Build Habit-Forming Products,” was a favorite among executives in the high-tech industry. It starred …