Everybody bites their lip.
No it doesn't mean you have mental problems I bite my lips sometimes but i have no sign of mental problems ocasionally people bite there lips because they are usually nervous or scared. Mabye, though, if you bite them to make them bleed constantly.
When guys bite their lips & licks their lips, it gives girls a bit of a turn on.
yes
With lips and tongue.
When your talking they will look at your lips or they will lick their lips or bite their lower lip.
Well first I hope you didn't bite a girls face but if you are talking about lips I would say flavored lipgloss, Chapstick, or lip balm
Yes, usually they are.
sometimes we bite our lips because we are nurvous about something or it becomes a bad habbit so if you see a boy biting there lip and there staring at you that could mean he likes you
oh boy - the different answers you could get for this question! Here are some reasons as I see them: they have dry and/or chapped lips; nervousness; trying to be "sexy"; have some kind of food or drink on their lips and are licking it off; it could be an unconscious habit...
They're hungry.
You are probably biting your cheeks and lips from stress, like some people bite their nails. Try chewing sugar free gum or eating hard candy instead.
Thunder Lips was a character played by Hulk Hogan in the movie "Rocky III." The ring girls in the movie were not specifically named as Thunder Lips ring girls, but they were generically referred to as ring girls who displayed round numbers during boxing matches.