The person you need to forgive is yourself for not being able to better protect yourself. Bottom line is you did not know enough at the time and it contributed to your suffering and suffering a loss. Part of that loss is “trust” and that is a big deal.

Unfortunately there was not as much understood when you reached out and that came out in the therapy you received. Ptsd was not as understood as is is now and given your age and generation the help you needed was lacking.

IMHO a person doesn’t just get over ptsd. Instead the person has to work very hard at learning how to manage it. It’s a very personal challenge depending on what kinds of traumas have been experienced.