I had a full blown argument in grim batol once because the blood elf (<.<) pally couldnt see that it would be faster if he ate rather than making me have two mana breaks using inefficient heals to get him to full hp (mostly 333 gear at the time). Also, I'd like to point out the "healers should heal" argument is pointless, and it increases on our expenses as well as increasing mana useage and time needed to gain mana back.