If you'd like to try praying, I have two recommendations:

First, I use a forgiveness prayer when I feel hooked or tied up by blame and shame.  I've used it especially when I am ping ponging between blaming the other party and blaming myself.  I've used it at home and in the world.  I recommend you watch how Dr. Hew Len teaches the practice Ho'oponopono. 

You can also download my recitation of this prayer here.  It is short and sweet and good to say on a...