Concerned grandma seeking advice to help her 9 yr. old granddaughter (Meg) get regular. Behavioral problems, temper tantrums. Holds her BM at school regularly. Drinks very little water, picky eater. Been to many pediatricians, etc. over the years, but they only prescribe enemas/laxitives which the girl refuses to take. She is very irritable and hard to get up in the mornings for school. Has panic attacks at times. Not overweight, and rather undersized for her age. Has anyone had this problem and solved it? We don't want her to grow up with this problem. HELP!