Take the time to do the "path of the monk" quest, temporarily make your secondary prof healing. A Mesmer/Monk majoring in Healing/inspiration can actually be a fairly effective back up healer as its nearly impossible to run out of energy if youre not the only one healing the party. That, and I found that the inturrupts and spirit of failure can both help take some of the strain off the healers in the group anyway.
I bitch about the anti mesmer vibe in pve, and I'd rather not have to change my second profession to get a group... but hey, I've finished the game with my mesmer now
