No, it comes naturally to me.
Do you put in a lot of effort, or is that something else you can't do?
You realise that, from The Producers to Allo Allo, joking about Nazis is pretty much mainstream and has been for decades, don't you? We won the war, we get to mock the Nazis, those are the rules, I don't make the rules. If it upsets you that I am mocking Nazis, then tough shit.