Above all, let fear keep you passive, and remind yourself regularly that you can't change.
Healthy people don’t need a doctor. Sick people do. Nice guys don't need a saviour. Real guys do. Being real is so much better than being nice.
Burnout is not normal, it’s not healthy, and no-one is impressed. If you are feeling burned out, then it is time to take some time out of your schedule, and ask yourself some hard questions.
Any married couple will tell you that having a good marriage takes work, and living a good life as a single person is no different.