Here's a groundbreaking idea that is sure to cause some stir. Be careful though, this might be so radical that your groups might not go for it. It works like this:

Step 1: Open chat
Step 2: Tell your group how you plan to pull, so they're prepared
Step 3: If the healer doesn't think they can keep up, or if the group in general doesn't like it, then tone it back a bit so everybody is happy.
Step 4: (Victory fanfare goes here)