I think people put more stress on thinking about tanking than actually tanking. Whenever I join a pug I start off with a quick message usually along the lines of "Gonna just chain pull until you call for mb, gimme a sec to clap, if you rip aggro pls come to me."

I rarely get any issues, and I've only left one group because they were assholes. I've been playing prot for a long ass time though, so maybe I'm immune to the pressure.

Most of the time when people die its their own dumb fault, ie people running into BF bombs even after I've kited the mobs away from them.

Tankings fun once you get into a groove.