nail chewing?

Question

i have a bad habit of chewing my fingernails, especially when im worried.
but what's wrong with chewing your fingernails excluding the fact that the nails are all ragged and it's not a good habit?

Answer 1

... because it is unhealthy!

your nails contains all the bad bad harmful germs or bacteria....
NOW, imagine you chew and ''eat'' it!!
it's so not good!