Don't try to change your diet in one fell swoop. Often, people begin to change their diets and do too much too fast. The result is usually a return to their old bad habits. If you want to make a real change, you must alter your diet slowly. First replace sugary soda with a zero calorie drink like tea. Put away the chips and eat an apple instead. As you become accustomed to these minor changes, add other little, barely noticeable changes. Soon, these baby steps will have eating well all…