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
yes guys do like lips (from women not from men)
When guys bite their lips & licks their lips, it gives girls a bit of a turn on.
No! It's a sign you are nervous! Be confident and yourself around the guy, but if this is a habit just practice at home not biting your lips.
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.
Everybody bites their lip.
When your talking they will look at your lips or they will lick their lips or bite their lower lip.
no no no
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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.