Where is nice is a clause adding incidental information about dog. What are the advantages of an enclosed postscript? If you want immediacy we can put dashes either side. Which is a bracket? Who wrote the brackets? Why would I not put a dash before a clause and a comma after., because, until the end of the sentence, the reader might still be looking for the closing dash. Man, i would make the world a better place. If I were!

What is good and bad about your career?