Awww....
No hold on, why are so many of you alright with this?
Do you see a Twilight-esque romance, where 2 imprisoned, missunderstood fruit bats hook up, and live happily ever after, maybe spending time on their hair and brooding?
This is very far from 'any other relationship', and what is unfortunate about their lives... they killed people, and that's unfortunate for them? - personally I'd say the only thing unfortunate is the lives they cut short and ruined.
No, they are freaks, they both look like freaks, they look like the sort of people you wouldn't want anything to do with. Get that romanticised horseshit idea out of your heads. When you've already commited murder, have facial tattoo's, and tattooing and body piercing are listed as hobbies - well the world really has no bloody need for you.
He killed a mother of 5 kids.
She killed a young father of 1.
If there was a switch in front of me that ended these freaks lives, then I'd have pressed it already.