Your father is a member of Pharaoh's court. You are studying medicine. Egyptian medicine is a combination of medicine and magic, and you find it extremely interesting. You hope that when you complete your studies, you can be appointed as a physician to Pharaoh's court, and you are convinced that your father's contacts can help you. Having Jews close to the Egyptian regime is a sanctification of G-d's name.
Money is important.
The decrees will be repealed.