Why Demons Possess Human? Почему Демоны обладать человеческими?

A lot of people ask this question and they haven't the right answer, because 

stories of demonic possession.....Истории демонической одержимости

I am adel , it is my story about demonic possession, this story happen about 15 years ago, when i was 

Signs of Demonic Possession 2..Segni di possessione demoniaca

Physical Changes Affecting The Person

Signs of Demonic Possession 2

1- The person involved may go for long periods of time without

Signs of Demonic Possession........Semne de posedare demonică

I had said that possession can happen in a little depends like:

How to throw out a ghost (demon) from your house ?...Wie man aus dem Haus werfen, einen Geist (Dämon)?..Как выкинуть призрака (демон) от вашего дома?..Cum de a arunca o fantomă (demon) de la casa ta?

there is a lot of people have ghosts in their houses , and they are suffering from it, so we advise them to do these steps to throw out this ghost.