I prep by making sure I have plenty of flasks, food, pots and tomes. I read and watch strat guides if it's a fight I'm not familiar with. I also go to howtopriest.com if I have any concerns regarding certain fights. Cake or pie? Pie. It can have so many delicious fillings.
I'll be studying Computer Science.
As for my logs, that was a pug and the first time I had played with those people. There were multiple times where I had to stop attacking due to aggro issues. There were also times where I was concerned about healing. I'd be up for an LFR. Murf#1748.