Mr H : I'm very jealous of you, you memorize the Contracts Act word by word.

Me    : What?! I'm more jealous of you because you know who Karl Marx is!

Mr H : You mean you don't know who he is?

Me    : No, of course I know him. I am just not sure whether he is the good guy or the bad guy?

Mr H : Hmmmmm.........

Well, never admit your inadequacy of knowledge in front of your spouse, hahaha.