Yeah, i've noticed the HP's being buggy. But seriously when I'm on my healer i don't look at health bars.....I follow people that I can tell are about to get attacked.....or look for someone being ganged up on. I just click and them and heal. The amount of time it takes to look at bars, click, determine if they're in range, find them, then cast....see what i mean? I guess this is alot of effort for people to just click on someone they know will need a heal even befre they loss life.