I'm so lame

We have more than two weeks left of holidays before it's time to go back to uni for second semester, and I'm already studying. Yes, studying. Sure, I'd like to just say I'm spending the night reading at home, but that would be misleading.... it implies that I'm doing the reading purely for fun, because I'm really interested in pharmacology and the mechanisms of drugs. Sorry if pharmacology is a hot topic for you, but so far it doesn't really float my boat. But I'm mildly anxious about taking a third-year subject involving pharm this semester, when I have done NO pharm EVER, so I feel like I really need to give myself some kind of basic grounding in it before starting the subject.

I really shouldn't stress too much - the other recommended prerequisite for this course is physiology, and I've done loads of that. So my mantra for the next few weeks will be, "Don't know any pharm but you know lots of physiol. Don't know any pharm, but you know lots of physiol. Don't know any pharm, but you know lots of physiol..." How long do I have to keep this up for before I start to feel better?