This product has enabled thousands of people, just like you, to organize and document all the vital issues to make appropriate, conclusive and substantiated claims in and out of court.
Second, you are not completely to blame for the marriage falling apart. He's just as responsible for breaking up. He's just trying to alleviate his guily by putting all of the blame on you. Don't let him.
My suggestion it to get yourself into therapy to help you deal with what is going on.