1. You actually will need to use calculous or physics and pay attention in anatomy and physiology. 2. Buy as much Apple stock as you can. 3. Obtain your certifications, post-graduate degrees and as much education as you can before you marry and have children. It really gets much harder to juggle husband, children, education and work at the same time. 4. Don't believe the myth, we learned at University that you can have it all at the same time. Stay home with your children. You can have it all; just not all at the same time. Your children really do suffer.