question: hello, my name is Rania im from egypt  i want to ask about im going to get married to some one, he told me thAT  he had cancer when he was 3 years old and he was taking hard treat ment for two years now he is ok but the doctors said that he can’t have any children and he had a test for that , but i want to ask is that only for not having children or we can have non-good children ?, and is he able to have sex normally or he also effected by this treat ment. thanks