You mean: addictIVE. Addictive is an adjective meaning something is addictive. Addicting is a verb - meaning to do something to become addicted. "I am addicting myself to caffeine by drinking so many espressos".
I've Always seen these two as the perfect couple. I wish one day :) But i think they have had their "cozy" moments that no one knows about. Just a feelin man !! ;)