When he's inside the room he tells the empty room, "I would be his father for now. I have never been allowed to be one and I think this feeling that I have for him is what it is to by a father. I hope it is."
Other options:
no subject
When he's inside the room he tells the empty room, "I would be his father for now. I have never been allowed to be one and I think this feeling that I have for him is what it is to by a father. I hope it is."