I think with motherhood and child-rearing in general, everyone's going to tell you how to do it and why. I've always said to other mothers and women when they've asked me, that you have to find your own way and find out what works for your family, at all costs.
"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.