"Most people are heads dragging bodies around," she said. "People don't pay attention to bodies and are overeating."

If you find yourself still hungry, add more veggies or drink more water.

"We can't hurt ourselves by packing ourselves with vegetables," she said.

Cole said becoming aware of what she was eating and thinking of food as fuel helped her avoid consuming so many calories. She dropped 15 pounds.

"I just have a different outlook, and food and my weight is no longer an issue in my life," she said.

Berry said once you become familiar with things like serving sizes and the right foods to eat, you will know what your body needs to stay healthy without having to do the math.