It is a sweet way to tell that other person that आप care about them very much. <3 It also makes the person feel good about themselves, and आप two as one! :)
It's a way to establish with someone that आप have feelings for them, it makes आप feel wanted and needed and it makes आप develop a bond with the other person <3
because it's a great way to दिखाना your love:) and i for some reason प्यार the feeling when my bf's lips and mine touch:D BTW! that reminds me of a quote from the story i'm writing:D quote david: "When our lips touch it's like....thousands electrical charges throughout my body." cool right?:D
There is something magical over it like no other touch.
It's the perfect way to express your feelings for someone besides telling them आप are in प्यार with या प्यार them. I'd actually say चुंबन is better than asking someone on a तारीख, दिनांक but I understand those who says it's the other way around :)