Temper tantrums in the supermarket. Tears that seem to come out of nowhere. Battles over homework that are more like wars. When your child has problems regulating his or her emotions, there's no hiding it. Children with intense emotions go from 0 to 100 in seconds and are prone to frequent emotional and behavioral outbursts that leave parents feeling bewildered and helpless. Other parents may have told you that it's just a phase or that your child...