Are you exercising? If not get out for a walk/hike or run every day to help you refresh.
I know with kids/marriage/etc this can be hard to do but I (someone in a similar situation) find that an hour of exercise every day makes all the difference in the world.
I know with kids/marriage/etc this can be hard to do but I (someone in a similar situation) find that an hour of exercise every day makes all the difference in the world.