The only escape from something you cannot escape is to embrace it. The thing that degrades mental health is being unwillingly exposed. If the thing cannot be avoided, the only other move is to willingly expose yourself to it.
So these nightmares are coming to you without your consent. That’s why your mental health is declining. To go the other direction, you face those nightmares willingly.
One way to do this would be to write down one of your nightmares. Nobody forces you through that writing other than yourself. It happens at your pace, at your initiative.
That willing approach is the path out of your sickness.
The only escape from something you cannot escape is to embrace it. The thing that degrades mental health is being unwillingly exposed. If the thing cannot be avoided, the only other move is to willingly expose yourself to it.
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So these nightmares are coming to you without your consent. That’s why your mental health is declining. To go the other direction, you face those nightmares willingly.
One way to do this would be to write down one of your nightmares. Nobody forces you through that writing other than yourself. It happens at your pace, at your initiative.
That willing approach is the path out of your sickness.
Please try this before you try shooting yourself.