I am SO lucky to have stumbled onto the RIE approach to parenting. I did some babysitting in my early 30s, and at first I felt put off when, at a meet-and-greet with a little boy’s nanny, suddenly I’m getting a large binder — a “how-to” manual for taking care of him — thrust at me and am being instructed to basically read and memorize the whole thing. The babysitting from my North Carolina youth had usually entailed a young, single mom running for the door, passing me a snotty-nosed toddler with one hand while she put on her high heel with the other and shouting, “Here’s my kid, bye!”…