becuase the other persons lips are wet and yours are use to being wte and then after you kiss they get dry and chapt
No, kissing is defined to be directly pressing ones lips onto another, not the chap stick.
dont have a stinky breth or crusty lips if so add chap stick
No, ice alone will not chap your lips. Cold weather and repeated licking of the lips will cause them to chap.
No not just from kissing on the lips. But it could lead to intercourse which yes can lead to pregnancy.
While kissing in the lips its express our feeling so they like it
Ummm on their lips?
Some peoples lips swell after kissing, other's don't. There is nothing wrong with it.
The Obicularus oris is the muscle in your lips one uses for kissing.
by force or doing romantic things
It depends
no... At the end of the day lips are lips, however it can be different depending on the person you're kissing, regardless of gender.
You will stain your lips.