cat·a·lystˈkatl-ist’noun-a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.-a person or thing that precipitates an event. ForewordIn light of all the hullabaloo going on in the fandom what with Yunho mentioning Jaejoong and then Jaejoong speaking a freakin’ thesis about Yunho….Well, let’s just say my YunJae heart is happy right now.