Kim Jongin Can't help being Jealous, because well..........it was in his blood gentically infused in him since the day he was created both his parents were ers in thier relationship and the only reason they managed to pull through was because they couldnt stand being jealous of seein eachother in another person's arms and kim jongin inherited that he was jealous of do kyungsoo being so close....well to simply put it the whole world in his matter but relationships were supposed to be based on trust and when kyungsoo decided to leave heck maybe it was for the best maybe it would stop jongins overbearing sense of envy or maybe not

http://www.asianfanfics.com/story/view/593810/officially-missing-you-alpha-and-beta-college-au-romance-exo-kai-hunhan-kyungsoo-baekyeol-kaisoo

sorry thats my writing up above not words but writing cause i cant copy