hi my baby boy is three years six months active boy.he normally knows to use washroom everywhere atleast he says before doing or directly he goes to washroom himself since more than one year. he normally goes to washroom in his school too since February this year. but all of sudden he is doing pee n potty in pant in school. if asked to him to go to washroom he is not interested to go to washroom. I don't understand why? Please suggest if it is normal or what should I do? school members telling they will handle but I don't want this type of thing everyday as it is completely ten days now. he is asking to use washroom everytime everywhere in mall in car in park at home too but he is doing it at school.please suggest