Why do I keep biting my bottom lip?

i keep biting my bottom lip and I dont know why. I bite it then a lump forms and I either bite the lump or bite the other side. at the moment, I have two lumps on my bottom lip from biting it. why do I bite my bottom lip ?

BubbleBlower

Asked Nov 06, 2013

Report abuse

Add comment

Can you help them?

Do I have vitiligo on my inner lips.it is itching and is a bit paler than outside lips.
Top bit on dremel flex tool stopped spinning, how to identify why?
Why I am doing neglect?
Why dose my pantech phone not leting me touch the screen and it keeps saying calibration
Where can I find information as to why Taino Indians keep their hair long?
Why does my Earphones/Headphones keep breaking after two weeks of using them?
Why does my cat keep scratching people when they try to pet her?
I keep seeing the eldest brother in narnia and tinker bell in my dreams!why!
Where can I get information on a rocking horse figuerine with c2 on the bottom side
It's in the bottom

You may want to know:

I feel disgusting after I almost bit my boyfriend's lip off.
Why does She keeps cheating is their something am doing wrong
Why do people keep doing the same thing they are not good at?
Hi: I am having a problem doing a repair install of windows 7 64 bit SP1.
If bed bugs keep biting you a long time can you get sick?
Why is my pet rat's bottom wet?
Why is my goldfish sitting at the bottom of the bowl?
I have had incisional hernia and my tummy keeps filling with fluid what can be done
I keep cutting my self and my boyfriend is doing it now.
Why was I staring at his lips?