Sigh.
I am at a stage where I don't actually know anything about medicine, let alone what I actually like about medicine...so I can't really answer that. I really know more about what I DON'T want to do.
These are: Obstetrics/Gynaecology (too many crazy women, both patients and peers), General Surgery (I like sleeping and seeing my friends while still alive), Paediatrics (kids don't know when to stop - and they're downright disgusting), Pathology (get me away from that nasty histology). Maybe Anaesthesia or Ophthalmology (if I can manage to get in - extremely competitive) or God forbid, General Practice (something I thought I'd never be into). The other fields haven't been considered properly yet though, since I haven't had any experience with them.