I'm raising one kid with multi domain learning disabilities who is the sweetest child on the planet and another who is…

I'm raising one kid with multi domain learning disabilities who is the sweetest child on the planet and another who is struggling with diagnosed defiance disorder and I'm drained. If she tells me only three times a day that she hates me and what a bad mother I am, that's considered a successful day for us. Every single night I go to sleep defeated.