I've seen this before and they usually end in disaster. A couple of them ended with the girl getting beat to a pulp, but surviving. They build up this fantasy world through letters, and when the convict gets out, the real world hits them square in the face.....sometimes literally. I used to work around convicts, and saw this all the time. I didn't mind it, because the girls were nutjobs and it kept them from ruining some decent dude's life.
Serious question (and I've brought this up before), why do you think you have to BOLD your responses? Do you think someone who wouldn't read it is going to because it is BOLDED? You darken some but not others, what gives?
