When my DS wanted to nurse during the evening our dr suggested offering him a bottle of water. So while it was difficult eventually he stopped waking for his evening feeding. The dr said if we were offering something that wasn't appealing eventually he would find it un-appealing to wake for his feeding!!!! It took some time but it worked. I got my PPAF when DS was 6 months old. It is first important to eliminate the night feedings, if you can do this I think Af will pay you a visit in time.
Good Luck, maybe you will be one of the lucky ones that never sees AF and gets a