Psychologically, I like kissing because it is so optional. It is not necessary for the perpetuation of the species. It is not a requirement for having orgasms (in most people). It is fascinating and uniquely human (mammals lick, but do not kiss). Because it is so optional, it feels luxurious to engage in it. Basically, a blessing of human connection...

... but, sinking, I did not look at it this way when I was as young as you are. So you have lots of time to start cherishing kissing...