I used to take a lot of undergrad college chemistry courses before switching out. I took 3 full years before deciding this stuff is too boring to do for a lifetime. The pre-med kids were all enrolled in the same courses. These kids were completely obsessed with MCAT (medical college entrance exam), all they talked about. Are we ready to take the MCAT? Is the prep course admitting any more students this summer? What was your practice score last time? On and on. It was apparently a gauntlet and these kids were all dean's list students.