Based on the context and the answer, generate a question. 

Context: We stopped by Aunt Bess 's house and she gave me a dose of the cure - all castor oil . Now castor oil is NASTY and if you were n't sick before , it would make you sick , believe me ! That dose of castor oil must have been a real cure because I did n't get sick at school again .

Answer:

She has seen success with the oil in her own health , so is passing on the cure



Why does Aunt Bess prefer to use castor oil as a curative agent for sickness ?