Sometimes you pick up an old bag from the time you lived in another place to go out in. Your friends would always smell that bag and go like "Ah you smell exactly like 'insert place you lived'! Good times." You would always go back and smell it and wonder why you couldn't smell the smell your friends smelt. Today, we ponder over this question and many more. With that, we unravel greater things that prove that you really shouldn't take your sense of smell for granted.