I do not think one can measure how much one prays as a guide to how things will turn out. God hears our prayers, cries, praises, hurts, and so on. Some people meditate and pray at certain times, others on/off throughout the day and as if they are talking to someone in silence or out loud.
He will change you but it does take a very long time for the walk away spouse to have a total change of heart, if they do at all.
The Bomb: 08/05 H moves out: 06/2006 H moves back: 01/07 & Out again: 01/07 H moves back: 03/08 & Out again: 04/08 H moves back: 05/09 & Out again: 07/09 Divorced 08-12 Kids: 22, 20, 19