I need some advice...
About a week ago DH's mum forwarded a letter from one of his ex's to us that had been sent to him c/o her place. I was a bit concerned as to why she would be in contact, and DH is very sketchy on the details. Apparently she hurt him very badly when they were going out and was writing to apologise how ever many years later. DH has told me a little (very little) about what happened, and I know it took a long time for him to trust girls again. In fact when we were going out he was very unsure of himself and had to psych himself up for coming to see me/asking me out etc. We had worked through all that and everything was great, until her letter came. Now DH feels bad and some of the hurt is resurfacing. I've only seen a few of their emails but he wrote in one that this girl hadn't hurt him as badly as another of his ex's did.
I try to make sure he knows this rubbish is all in his past, and I know he is happy now with DS and me. I have tried to talk to him, and tell him all the time how lucky I am etc, I try to look after him really well but I can tell he thinks about how this girl hurt him a bit lately.
What else can I do to ease his new hurt, and to get rid of the cow?