Formidable! un vrai aide pour parents qui veux comprendre en detail les effets des hormones sur leurs petits anges qui sont sur le point de devenir les ados impossible! Completely opened my eyes as to why our poor ados are in such a pickle and take it out on us! really helped me understand and more so to not fall into the trap of taking it personally! written in such as easy way as to be easy to pick up and go back to!