skills timer

i am not well verse with getting my point across often times. However, on this point, I will simply use an example.

I am a Ranger/Mesmer. I regularly use stances and preparations. I would like to have some way to see how much longer before that stance or preparation expires. A 50% transparant number in any corner of the skill/hex etc that I am affected by would be nice to have. It would be an advantage for me to see how much longer I have before I need to renew my stance.

It is understandable that it would not work for nature rituals since these AoEs can be walked into and out of.