Any unwanted physical action can be repulsive if it comes from the wrong person.
Easily ... I am a non-smoker and a very committed smoker laid one on me once. The bloke nearly wore my lunch he tasted and smelled so bad!
LOL, and you only had to read about it. I had to live it :(
If it's just for show or If it's from someone who has broken my heart
yes, my thoughts exactly. i awoke to goodmorning kiss's from my Wife on Saturday morning, it is one of the neatest feelings i know of