Do you think I am mentally ill?

Hello friends, there is a question that has been bothering me these days, and that is whether I am mentally ill or will I be like that, before that I want to tell you about my problem...

Sometimes I make up scenarios in my head about a person I see on the road, my school friend, my teachers, etc., sometimes I marry them in my head, sometimes I kill them or we fight together in a war, but these scenarios happen in my head, while I am creating them, I don't see a dream or something like (dream). I become a murderer and dream about how I would hide the body if I killed someone, how I could escape without immediate punishment. Sometimes I rob banks and think about how I would launder money.

Now I will give you an example from a dream I had:

... We go on a trip with his person, we have to stay in the same room and I say you sleep in the bed, I will sleep downstairs. After 10 minutes, he says come to me and lie down next to me, nothing will happen, so I say ok and we sleep together (The person I made up this dream in my head was a real acquaintance. and there's usually a person I'm talking to and it's really detailed in my head)

Do you think I am mentally ill?
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