Smell of Greatness

   Forgive me for being crude.  I will try not to make a habit of it.  But why is it that your own "odors" has a, for lack of a better term, air of sweetness to it?  When you fart or burp or anything in between you enjoy the smell of it.  No trying to deny it.  Everyone does it.  From the loneliest of the peasants to the lord of the manor himself secretly enjoys their own repugnance.  But why is that? Maybe its one of our basic animal instincts.  Maybe we subconsciously realize that is our smell and there for we don't find it as disgusting.  I don't know just a thought