If you're in doubt about your ability to drive, play it safe. You are apt to drink less. Pour less alcohol and more mixer in each drink. Alternate an alcoholic beverage with a non-alcoholic one. Eat when you drink.
Food helps to slow alcohol absorption.
Talk to persons who will listen to your feelings and concerns without putting you down. Find ways to calm yourself other than with alcohol. Examples include hobbies, relaxation exercises, physical activities, music, movies, etc. Realize that you are a role model for your children. They learn what they see.