they used to follow me, they still do, but they used to, to

I used to see them all the time. Feel their presence. Following me every time I was alone. Shadows like bodies, and every time, it felt like they were literally being seized out of my brain, that I was generating them, yet I had no control and I was afraid. Then...they stopped. I don't know why. But every time I'm alone at night, I find myself randomly staring at the base of the door...waiting...

I need a dog