my favourite joke

1. - Doctor! I have a serious problem, I can never remember what i just said.

- When did you first notice this problem?

- What problem?

2.
Dwight: We will be called Gryffindor.
Jim: Really? Not Slytherin?
Dwight: Slytherin are the bad guys, Jim.
Jim: I know. Okay, we will be Voldemort.
Dwight: He-Who-Must-Not-Be-Named? I wouldn't do that.
Jim: Vol-de-mort, Vol-de-mort, Vol-de-mort!