I learn new things about parenting by looking at parenting fails. While some aspects of parenting are intuitive, there are about a million things that you need to learn about child-rearing before you actually have a baby. For instance, I was completely ignorant about bed-sharing and safe sleep until I started willingly exposing myself to all of this discourse within mommy Facebook groups . I can't imagine wanting to sleep in the same bed as your baby every night. I move so much in my sleep that…