I can’t stay off my phone. And I’m afraid it’s hurting my 2-year-old son. Sometimes it’s a breaking news story that draws me in, other times it’s boredom. Whatever it is, this device in my hands — which gives me access to nearly all human knowledge plus all the cat videos I could ever want — is constantly calling for my attention. Setting boundaries with my smartphone hasn’t been easy. I’ll sometimes sneak a quick glance at headlines when I’m in line at the grocery store or when we’re waiting to see our son’s pediatrician. Once I tapped on an alert during a religious service.