I had a terrible evening with my kids last night. It was so bad that I wound up not sleeping half the night. My son and daughter were bickering at each other, and before I could even look twice, it had escalated into a huge screaming fight; except that it was only my son who was completely flipping out at his sister. The outbreak left the rest of us in shock. I grabbed my daughter (by her arm) and pulled her out of the way because I wasn’t sure what he was going to do. My little 5-year old son was hiding under the table crying. Within a matter of 3 minutes, things had gone from harmless sibling bickering to full-blown hysteria. How did this happen? I stood there, apologizing to my daughter f