I agree with the others, SgrA.

You sound like a wonderful boyfriend, very supportive and that's terrific!

In my experience though, your gf has to be ready to commit to seeking out help from a qualified resource. A sex therapist would be helpful ~ but she has to be ready.

My ex-hub and I worked with a sex therapist, due to my abusive past, and it was not easy or comfortable for me. 20 years later, and I still carry a deep feeling of shame and avoidance with myself. I therefore tend to dissociate during some sexual acts, to protect myself emotionally.

As you can see, it's complicated.