guinea pig biting 24/7

Question
I bought a guinea pig around christmas time, so I've had her for about 2 months. She's medium sized, I would guess she is a few months old, 3 or 4. Since I've had her, shes been biting me and other people. And not just a nibble, she will also do that sometimes, but she usually bites very hard, breaks the skin and draws blood. It seems to come out of no where, because she'll be licking my hand one minute and then just bites down. I've been trying to handle her gently and get her used to me but it doesnt seem to work. Do you have any advice as how to stop this behavior?

Answer
Hi Jessica

Pigs don't bite because they are aggressive, or even neccesarily because they are scared. The basic fact is that they chew everything. The only suggestion I can make is to keep your hands away from the pigs mouth.

When you are petting her on her back, does she try to bite you then?

Andy