This is of course an unpleasant story, but it has already occurred, and therefore you need to understand that this is more than you will not allow, and are not going to take more risks. You decided that your child is still quite an adult, and it is already possible to leave one. But alas, not so occurred. He decided that he was bored and started to make up how to get out of the apartment. And great happiness at that moment, you're back home.