The hardest part about tanking is not holding enmity, protecting the weak
(or the stupid) and taking the hits. The hardest part is
.
You, as the Tank, more than anyone else in the party, must
Yes, knowing what to do is everyone's responsibility, because
there are fights where you can wipe if even
But most of the time, DPSers just need to wail on stuff and Healers
just need to heal. So it's tempting for them to
not study every
little detail of the fights.
But the Tank?
You must know
it. All of it. All the time. If you don't, it will be tough (if not
impossible).
To that end, I study. Everything. Of every duty. I
have one (sometimes two) pages of my own notes for every Dungeon (normal
& hard) and Primal fight (all three variations). Here's an example of my
Tanker Notes for "Akh Afah Amphitheatre (Hard)":

The level
of detail is just enough so that I know where the feck to be and what
the feck to do, but not enough to overwhelm the brain mid-fight. The
colors mean something:
- Black: general header crap
- Blue: enemies, their abilities/actions
- Red: things that hurt
- Green: something a player needs to do to avoid being duty kill.
You now have an idea of the effort I put into this, yes?
So
when some dumbass runs ahead of me, aggros the whole place, dies and
then tries to blame me for it, can you -- in view of what I've shown
above -- understand why I get just a wee bit irritated?
Still
think I'm a dick?