So, in the German version of 1x02 of GO when Crowley shoves Aziraphale against the wall he says “nett ist die kleine Schwester von freundlich” (“nice is friendly’s little sister”) and I have absolutely no idea why they didn’t use the actual version of that saying (“nett ist die kleine Schwester von Scheiße”/“nice is shit’s little sister”) because clearly, Crowley would only ever use the original version of that saying.