1. Medicine is not for everyone.
2. You won't actually spend that much time with your patients.
3. In your first years, you'll spend more time doing admin than anything else.
4. Medicine is more than just liking science and wanting to help people.
5. You probably won't be the star pupil/top of the class.
6. You will question why you wanted to do medicine more times than you can count.
7. You won't be in it for the job satisfaction.
8. The amount of money you'll earn will never be worth the amount of time you work.
9. In the beginning, you are basically everybody's bitch.
10. No amount of planning will prepare you for your first real crash call.
11. It doesn't really matter where you go to medical school.
12. You'll be surprised how quickly you develop a thick skin when dealing with patients dying.
13. Your weekends will no longer be your weekends.
14. Doctors are human – you will make mistakes.
15. The hospital runs on the sacrifice of people's personal time.
16. There is a lot of fear in the workplace.
17. No amount of work experience, reading textbooks, or talking to doctors will prepare you for a career in medicine.
18. Wanting to study medicine, studying medicine, and practising medicine are very different things.
19. You'll never stop learning in medicine.
Note: This post is based on one person's experience of working in the industry.