The moment it happens, everything in me changes. Imagine somebody was able to fit inside of your body. Their arms are the same length as yours. You're both the same height. Everything is exactly the same. Now imagine that person not being a person at all. That thing inside of you is a shadow. Darkness. A silhouette of you, only living on the inside of your body. It doesn't have a conscious. It doesn't have a heart. Nothing within that darkness is remotely human. Its only goal is to take over your body. It fights against your muscles. It tries breaking through the skin. It wants to replace...