Indeed they're intense and fun, just that makes no sense regarding both the nature of Ti-Base types and their interactions with their Duals. That's not Duality, they can't get along for long IRL. Besides being exciting/tiresome for each other, it is the EIE - generally the Extrovert - who stirs/mobilizes the LSI.
Beyond anything, discojoe is not a LSI based on the model and theory, no speculation can change that.