The majority of his life some thing or another is going on that would fuck with his good nature (a friend dying, everyone else hating his guts except his friends, the girl he likes seeing some other guy right in front of him like in the Yule Ball...), but whenever his life has some semblance of normality he does have that playful aura.
You are going against my vision, not a list of this is what defines STP. I cant really argue against the definition portion. You are fighting my Se in this argument, not Ti, Ni, or Fe. A portion of me that is stubborn because it does not bring in or internalize the detail, but gets an overall visual impression. I really dont mind holding conflicted views