If you feel stressed, you have too many goals. You don't need to have that many. You are reluctant to let go of some of your goals out of plain old, natural greed.
But you can calm that greed in yourself. And if you do, you will feel much more relaxed, until you slowly accumulate too many goals again, and then you'll have to trim them again.
If you do this kind of regular maintanence on your goals, you will not only feel more relaxed, you have more motivation. Read an article about this: Cultivating Fire: How to Keep Your Motivation High.