It means shes a loving person and isent afraid to show people how much she loves you.
Change the subject, or kiss them on the cheek quickly. They will soon get the message. If they dont, then simply tell them that you dont feel the same way.
exile 1978
if you want to kiss her but then you have your doubts then she aint the one brotha
Then go ahead and kiss! Just don't go too far unless you want to.