I suggest you teach yourself first, and then communicate with your mother-in-law with your knowledge. I asked a lot of questions about early childhood education in the carefully organized parenting lecture held by Aiko, but it was over, but there was a video of the lecture on their website. You can have a look. Recently, there was a blog contest for mothers who love children very much. /actinside.php Most of the mothers above have participated in this lecture and should be very experienced.