Goddess Andova felt that her slave's forgetfulness was because he did not care and he was irresponsible. And she felt that she could make him change so she used her high heels to trample him all over. The pain he felt was out of this world but it was what he needed to make the necessary changes to stop being forgetful about everything he was told. He was made more responsible by the mistress.
This guy had a habit of hoarding information and mistress Sophia, mistress Julia and princess Lara had warned him not to do that but he did not listen to them. He was given a final warning but he still did not improve. So the mistress made him a foot slave and dominated him with their bare feet and with their shoes to make sure he changed. And it was then that he realized how serious they were and he changed.