They're pretty nice.
"Excuse me sir, you've been driving quite erratically let me see your liscence"
*Pulls out humour licence*
"Pardon me your Excellency, sorry for the interruption please carry on."
BAM! Chosen One!(wait, what?) Humour licence!
![Tongue](http://saberforum.com/Smileys/default/tongue.gif)
I find some people's lack of humor . . . disturbing.