I myself am not fond of kissing. I actually try not to engage much in it as it makes me uncomfortable. Idk why, just the idea of someone's face close to me makes me uncomfortable. Is anyone else like this or am I just weird.
Unprocessed emotions of [most probably] disgust/shame due to some kind of trauma. Yes disgust is an actual emotion people have to work through when they work (better with a specialist) on their emotional healing
So... it's treatable reply