Wrestling with the Lord our God does not bear thinking about. A bout with Jesus would be possible for he is true man as well as true god. But physical wrestling with God is out of the question  We have to accept this as an allegory and thus the not eating of the sciatic nerve is justified. The avoidance of pork products does not have any justification ; it is accepted as a God's will so nothing more needed be said about it. Jacob who is Israel continues to wander through  the territory that bears his new name and is blessed by the Lord. What did he really do at Peniel? He saw God face to face and lived. No one sees God except those to whom He wishes to reveal himself . Speculation about this is non productive for me. I cannot understand it at all. 

Jesus wrestles with the devil possessing the dumb man. Well, he doesn't wrestle he just casts it out for that is His strength. Pharisees condemn this as being done by the power of Satan. Elsewhere Jesus retorts that a "house divided against itself is bound to fall". The people , i.e. we, are without a shepherd  so we must ask God to send us  shepherds to show us the way. The Church on earth touches the Church in heaven. It is in our Church on earth that we can find the shepherds and the guidance to join the Church in heaven. 

Dear Lord, let me not be blinded by the evil that I see and let all your clergy truly seek the holiness that you have made available to us all.