Lolz, this is something unique and I am not sure what they were thinking in the first place.
Yeah two different emotions in single sentence because that kinda project it is. I am not sure who will be interested in this contract. This is not legal or may not have green status in real world as long as they have some strategy for this through their contracts over blockchain. Moreover, blockchain is made so that data can be validated forever. I am pretty sure few of them would want to divorce sooner or later.
How they will destroy the evidence if they wanna break up.