I did not hear that about Mark Twain. Wow! Mind blown.
I really am a waiter and I think I'm pretty witty. LoL. My customers seem to like me so I'm good with that.
I think we all need to take care of what we joke about. My main concern with laughter is that we put ourselves down way too often to get a laugh and I want to be mindful of that and work on respecting myself more. I think with the self care that we will learn to pay it forward with how we interact with others.