Not sure if the scanlators even read this, but on this page on the next-to-last panel it should say "REHM! SIC 'EM!" Very easy mistake to make since it's not a common word.
We'll end up hating the fortune teller, won't we?
Barbara seems to have a similar role as a drill sergeant. Yes, you resent and hate them in the moment, but the lessons you take away from the hardship might end up being worth it when your life (or in this case, magic) is on the line.