1. Jack is my first. Not in the sense that I'm a mom now because he's my first baby. Hadley was my first.  No, Jack is my first in a different way.  I am learning with him. I am trying new and exciting things. I'm figuring out what works well for him.  And, I'll let you in on a little secret.  I don't do everything right the first time. Or the sixth time. No, I'm definitely a work-in-progress.   Which, much to the chagrin of The Husband, my parents, and my in-laws, tends to make me a little anal particular about things.   One item that has me on my toes lately is television or computer screen viewing around Jack.  Yes. I know. I can hear the questions and comments now...because I've actually heard quite a few of them already.  What difference does it make? He's only 4 1/2 months old. What on earth could be the problem with him watching TV? Why does it matter if he stares at the bright and shiny phone or computer screen?  ...