This was pretty interesting...Though its just a speculative view, but still it offers some insight in Why ;-)
Your kisses are quick and passionate fits of lustful pleasure that are there and then gone.
Your kisses linger; they are deliberate, heartfelt and they can go on and on and on.
Your kisses are interrupted by spasms of giggles, smiles and funny observations.
Your kisses are warm and tender, and you never want to let them go.
Your kisses are wild and uninhibited, biting and clawing; you expect applause for your performance.
Your kisses are so subtle and tidy, your lover only notices them once you've finished.
Your kisses are passionate and would be given only when you are seriously involved.
You skip the kiss and get straight to whatever comes next for you.
Your kisses are surprising, spontaneous affairs that leave the kissed wanting more.
Your kisses are intense moments of sublime relief from the stress of your day.
Your kisses are wet and messy, and you tend to keep your eyes open.
Your kisses are starry-eyed, amorous and long-lasting.