That sounds almost like counselling?
Yes, they both have a lot in common (infact, one of the role pairs of IE is Counsellor / client.) It’s important that the master doesn’t coach the slave into giving the kinds of answers he wants when he is examining her thoughts and feelings – a technique shared with counselling. For example, if the slave is having difficulty accepting one of her master’s decisions, then it’s essential that she be made to disclose this, so that he can resolve her feelings and then work on whatever is preventing her internal acceptance of his decision (in addition to just her external obedience to it.