Exactly, I always think of Ronnie Coleman. He became Mr. Olympia working as a full-time police officer. Pulling shift work, 10 hour days, and so on. I understand that you, nor I, will ever want to compete, but that should be an example to you that it can be done regardless of your situation. It just takes a lot of discipline. Get in the gym when you can, have food prepared so you will always have it. Use tupperware or whatever.