My Son was coming into my bed every night for the last month. He is 16 and just says he is afraid to be alone. It has happened so much that some nights I don't even hear him. Two night ago I woke up and he was putting his cock in me I screamed , but he didn't stop until he was all the way in and had finished in me. The next morning when I told him he couldn't come in my room anymore, he asked me why?When I told him,He said he didn't do such a thing. I don't know what to do.