Zacharias took out his wand to clear his clothes of any linger soot. Given the unexpected sight in front of him and his uncertainty of how to manage it, he needed something to fill the space. "Maybe you should change the locks if you don't want me showing up unannounced, although as the supposed father of the thing in your womb, I would say it's within my rights."
Even if the the thought still sicken him, Zacharias was good at turning things he hated about himself or his own insecurities into attacks directed at other people. And Marietta surely had it coming. The only inkling of guilt he might have felt right then was toward Roger. Having been cock-blocked far too often recently, he didn't want to inflict that upon another man. It surely had to violate the code or something. So, Roger was going to be a casualty.
"My apologies, Davies, but consider this a favor because judging by the get up," he motioned to lingerie more than the woman. "I doubt Marietta here remembered to tell you the safe word and I would guess that you don't have the sense to ask for one."