I had a very similar injury in 2006 -- non displaced spiral fracture through S1 and S2 nerve exits on the right side, and hairline fracture on inferior pubis (I think).

Rx was 6 weeks of bedrest. I was told NOT to sleep on my side. I could sit in a reclining position to work at my computer or watch TV, and sit up for brief periods to eat. Oh, and I could sit in the shower. I used a walker at first. 3 weeks out my ortho told me I could start to put 50% weight on the injured side, which was a joke .... all of my walking muscles had forgotten what to do by that point. I think around 5-6 weeks I was cleared to start PT.

Do everything your PT tells you. Even if it's boring or if it hurts. They will get you walking again.

I had pain for a long time. Upwards of 2 years. A lot of it to do with alignment problems, strong side compensating for weak side, etc. It can be frustrating at times, but be patient and your body will heal. Regular massage helped, Pilates helped, and I also had a good cranial osteopath to help with the various alignment issues that resulted from this injury.

With any serious injury you will probably work in some maintenance routines in order to keep being able to do what you want to do. Work it in to how you train and condition yourself, and how you recover from workouts. The injury rarely bothers me anymore, except that it flared up in my final month of pregnancy last year.

Good luck with the healing, and feel free to PM me if you have any questions or just want to talk about how it's going.