I didn't get the question and I think it is incomplete. Well, I've read the answers of some people who are trying to convey the actual sense. I got help from essayswriting website regarding this question and got some recommendations which I will share later.
it's a serious topic, you can't play..
Its exhausting is the answer to what the Muffler Salesman said.
If this is suppose to be in a joke category. I would say it is exhausting....