Trying to find balance with working/eating

So there have been a few days recently where I have had a hard time finding a balance where eating is concerned.  When I had a full day of travel (left at 7:30am returned at 11:00pm) I had to eat all meals out of the house.  Boy, I often make wrong decisions.  That is an old habit and one I intend to change.  I am going to work hard to eat healthier "on the go" and learn to pack healthy snacks in my bag so I don't get tempted by the first food that I see.