Like a virus, unwanted behaviors seem to creep up with little notice & stay forever... Why? How do they start? How can disrupted behaviors be eliminated entirely? We've been working with an ABA (Applied Behavior Analyst) therapist quite a bit over the past few months as we work diligently to eliminate many of our son's bad behavior issues. As a result, some of the most severe - hitting, biting, scratching, kicking type of temper tantrums have been mostly eliminated! Here's what worked.