[ Well, it was teasing to begin with, and honestly, it's probably for the best that they're not outright fighting over easy insults. Riku isn't Ryuu, and his interventions are considerably harder for Tenn to ignore... ]
If that's the kind of relationship you're expecting, then you'll have to find someone else to teach.
my soul left my body for this tag and went into an astral projection
If that's the kind of relationship you're expecting, then you'll have to find someone else to teach.