Any one bite there nails tell they hurt and what is there favored nail to bite?

Question

dose any one here have the habit of biting there nails and how much do you bite them do you stop if they hurt or keep biting

do you know any friends that bite there nails this much.

I just want to know what makes a person enjoy doing this and to want point do they stop?

Answer 1

Ppl don't do that because they enjoy it.
They do it because it's a nervous habit.
A lot like smoking, in that regard, but free.