One of you will end up here next!
Dealing with spouses in discovery type quarantine is mostly down to common sense (at the medical level, not the man on the street level). She could have easily become symptomatic and infected him before symptoms were even detected. She is high risk, he takes on that classification by living with her, for the duration of the quarantine period (and beyond if she had become symptomatic).
I refuse to accept the view that mankind is so tragically bound to the starless midnight of racism and war that the bright daybreak of peace and brotherhood can never become a reality. - MLK
Ich habe schon Pferde vor der Apotheke kotzen sehen.