Sure, military combat is scary... but in some ways combat seems a little easier than personal relationships. At least in combat, the enemy is honest enough to claim themselves as such.
Today is a new day. It's a day you have never seen before and will never see again. Stop telling yourself the 'same crap, different day' lie! How many days has that lie stolen from you? Seize the wonder and uniqueness of today! Recognize that throughout this beautiful day, you have an incredible amount of opportunities to move your life into the direction you want it to go.