Snakes represent male genitalia in dream interpretation. That is, your imaginary sexual problem, you want to have sex with your girlfriend. Of course, you have control. Maybe it's depression I imagined myself, but I was depressed and ambivalent.
Maybe you don't like it. But the dream is like this.
Don't go to see Duke Zhou. Not allowed. I study psychology. You can find an interpretation of psychological dreams. The answer is for your reference.