[ There's a flicker of hesitation, a knowledge that if he is excessively cutting he'll damage her - because there's no doubt she's damageable. Deanna will be furious with him if on one of the rare occasions he actually puts his foot in it, like he had on Angel One, he causes irreparable emotional damage to someone in Borg related recovery. A flicker is enough to slow his roll. Just. ]
Not guidance, but...practice.
[ Right, okay. How about like this? ]
For one thing, it's important to adapt to your audience.