[Gym]
"I'm following a set of behaviors, at the very least." Does that count as behaving? Close enough Rein supposes. Unless Tina has specific suggestions on how Rein should behave, which he would not be adverse to exploring.
"I don't know if I can do anything to save your mind, but I may be able to keep you from making any more of those very impure suggestions," It seems his intended strategy for this is to work his way up to her lips and plant his there, keeping their mouths and tongues occupied for an extended period of time via the time honored art of making out.