I think it is important to always have goals and a training plan. The link below does a good job explaining the difference between goal driven training and no goal training. I have long-term goals. I have short-term goals. I believe that your training goals should include a nutritional plan as well. As the saying goes, it is 20% of how you train and 80% of what you eat. Another way to put it, abs are made in the kitchen. In my training plan no two days at the gym ever look the same. It keeps training interesting and fresh.
Peace, Health & Joy,