Как читаетсья произношения по because much of your sister's strange habits are about food and eating, i think she has some problems with that. plus the fact that she locks herself in the loo (toilet) for a long time. let your sister know that you love her and hate to see her troubled and unhappy. suggest to her to see a doctor on eating problems. i believe the doctor will help your sister. whatever your sister's problem, she needs help to realize it. be there for her — that's what sisters are for.