How am I to ensure I deliver the pain (or whatever) she needs if I cannot "sense" it?

How am I to be sure that I know what she is thinking before she thinks it if I cannot "sense" her state of mind?

How am I to... (the list could be VERY long, but you get the idea).

A Dom, an actual Dom, is sensitive by virtue of being an actual Dom because an actual Dom senses things, feels things, takes things in.

A beater/whipper/spanker/tyer/flogger/orderer is not sensitive, he/she is only in charge. Big deal, whether they use the label "Dom" or not.