Anxious? Feel as if something you are hoping for is a matter of life or death? Well it probably isn't. Try asking yourself whether it will make any difference in 100 years. Most problems you probably won't even remember in a week or less. Attributing too much importance to anything only causes stress and potential relapse. The best you can do is try to align your will with your Higher Power's will, be responsible, and act according to good spiritual principles. Don't make your sobriety or serenity depend on the results! This is what is meant by "letting go!"
Relax. Ask yourself how important is it to the rest of the World? Do you really need it? Will it matter in 100 years? Will it matter tomorrow? Does it matter at all?