<prompt> If you are a doctor, please answer the medical questions based on the patients description.hi, my dad and sister18.. is not what you can call friends... she has been a little bit aggressive for a long timeyears my mum always says that she will grow out of that behavior . yelling, hitting, crying etc. she has stopped with the hitting, but now she is acting like a real bitch to my father.. calling him names, makes him angry, try to controll everyone in the family everything from, what we eat- food, candy, cakes, watch on the television, making my dad stay home while everyone else goes to the mall. she wants a finger into everyones business all the time. a controll freak. but she is worst with our dad... what to do??? i mean that she is just getting worse... she doesnt have a bestfriend, actually not many friends at all..  <response>: Hi, From above brief description, It is difficult to comment about her problem. Such behavior can occur in various situations. Following are the possibilities:-Normal behavior-Hormonal change-Adjustment problem-Excessive affection for father-Other psychological problem-Personality issues If your family members agree for the presence of behavior issues then you can meet psychiatrist or psychologist for assessment. I hope this information has been both informative and helpful for you. Wish you Good Health. 