Actually it would be easier and more effective to register every handset and run a check any time two are close together but otherwise isolated. That way we get

Actually it would be easier and more effective to register every handset and run a check any time two are close together but otherwise isolated. That way we get adultery but as an added bonus, also any extramarital sex, gay sex, kinky sex, or just generally any behavior between two people that we don’t approve of. /s