Thank you all so much. He was hurt by his first wife. He told me that he took his vows very seriously but that she didn't. He says she didn't leave him for somebody else but it sounds like she did because she moved in with somebody else shortly after they split, and remarried, so yes he was hurt.
He also told me I am 5 times the woman that the one he married was.

He said she pressured him into marriage the first time and that he should never have done it but he did love her or he wouldn't have married her.
She pulled a lot of dirty tricks from what I gather but he is not one to bad mouth her or talk about her much.
I think his Mom is just worried he will get hurt again but I won't hurt him. This is the love of my life and I thank God I have him everyday.