Well really anyone can answer this answer. Its because your belly button cant breathe and it doesn't have a mouth and its not a living thing.
it can, if you talk to it first
YOU CANT !
you cant,
YES if you talk with your belly
you cant
Yes, mine speaks to me in spanish
YOU CANT xD mwahahhahahahahaha!
you cant you are the only one
You can pierce your belly button anywhere you please really, talk to your piercer and they will let you know what your anatomy allows for.
Talk to a doctor. You have a problem. SERIOUSLY!>.
you cant. you either have a inny or a outy and that happens from your embellicord
You need to peruse your local shops and talk to many people in there about it. There are no "stores" as in wal-marts, targets or the like that will pierce a belly button for various reasons.