It's a pretty good list, but there are some head scratchers in there:
Why Twisted Metal over Twisted Metal 2?
Why Wild Arms over Suikoden?
Why Persona 1 over Persona 2?
He didn't call off his engagement for you, he's not going to end his marriage for you. And apparently she doesn't have the self-worth to end it, either.
I wouldn't put money down on it, but it's certainly possible. And I think it would make more sense to have a real confession in that letter as opposed to the corny one we got.