"If all goes well, in 25 years we could put a man on Mars."
"Oh, good! I'll still be around."
"I won't. I'm not going to live that long."
"Really? What am I going to do? I better start looking for your replacement!"
"You'll be ok. We will put you in a trailer and you can smoke a pipe."
"You know you'd love a pipe.."
He is right. I probably would.