It will decrease. I promise.
I have problems with stg that happen nearly 20years ago.
Since starting therapy, 4 years ago, I do feel better. For example I can be with my male teachers alone in the same room, shut doors and everything. I am still very nervous but I stay there and sometimes even rememer to answer the question.

If the trauma is adressed and not supressed it will adventually heal. Just hang in there.