hi my son is 15 and is autistic.for the last 7 years he has refused to go to the toilet to number 2s i have to make him go which is very hard if he doesnt do wot he should he ends up soilin himself and starts to smell.Its like he is scared to use the toilet.Before all this happened he was obsessed with toilets and would want to see them if he went anywhere new.Ive tried everything i can think of even hypnosis can anyone help??