"Oh," Kit said as she spoke. "Oh, oh thank god." He leaned against the wall, rubbing the hand that wasn't clenching the ring against his temple. "I - I thought. Okay, here, look-"
He unfurled his fist and let the ring catch the light; he didn't hold it out too far; he was feeling oddly protective of it. "There's writing on it 'we know' just like yours."
Yes, probably just a joke to the - "Are you a new tenant as well?" If so, that would be cruel. If not, he'd wonder if everyone got one.